datavorous/entrance-exam-dataset huggingface dataset:
What happens to all oxidation states from +1 to +4 for nitrogen in acid solution?

Options:
A They remain stable
B They disproportion in acid solution
C They react with water
D They become inert

The correct answer is:
They disproportion in acid solution

Solution:
The paragraph mentions that all oxidation states from +1 to +4 for nitrogen tend to disproportionate in acid solution.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What happens to atomic radii as we move along the period in the 3d series of transition elements?

Options:
A They increase
B They remain constant
C They decrease less rapidly
D They decrease rapidly

The correct answer is:
They decrease less rapidly

Solution:
As we move along the period in the 3d series, atomic radii decrease less rapidly.

Topic: Chemistry, d and f Block Elements, NEET
What happens to bond enthalpy as bond order increases, according to the general correlation?

Options:
A It increases
B It decreases
C It remains the same
D It depends on other factors

The correct answer is:
It increases

Solution:
According to the general correlation, as bond order increases, bond enthalpy increases.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What happens to bond length as bond order increases, according to the general correlation?

Options:
A It increases
B It decreases
C It remains the same
D It depends on other factors

The correct answer is:
It decreases

Solution:
The general is that as bond order increases, bond length decreases.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What happens to calcium oxide when exposed to the atmosphere?

Options:
A It becomes radioactive.
B It releases a strong odor.
C It absorbs moisture and carbon dioxide.
D It remains unchanged.

The correct answer is:
It absorbs moisture and carbon dioxide.

Solution:
When exposed to the atmosphere, calcium oxide (CaO) absorbs moisture and carbon dioxide.

Topic: Chemistry, s Block Elements, NEET
What happens to cells in the Gₒ phase?

Options:
A They undergo DNA replication
B They undergo mitosis
C They remain metabolically active but no longer proliferate
D They undergo both mitosis and DNA replication

The correct answer is:
They remain metabolically active but no longer proliferate

Solution:
In the Gₒ phase, cells remain metabolically active but no longer proliferate.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to dihydrogen molecules on the surface of activated charcoal during adsorption?

Options:
A They dissociate to form hydrogen atoms.
B They remain unchanged.
C They form strong covalent bonds.
D They become weaker.

The correct answer is:
They dissociate to form hydrogen atoms.

Solution:
The paragraph states that dihydrogen molecules first adsorb on nickel by van der Waals’ forces and then dissociate to form hydrogen atoms, which are held on the surface by chemisorption.

Topic: Chemistry, Surface Chemistry, NEET
What happens to dissolved oxygen in water during the night?

Options:
A It increases due to bacterial respiration.
B It remains constant.
C It decreases due to bacterial respiration.
D It increases due to photosynthesis.

The correct answer is:
It decreases due to bacterial respiration.

Solution:
During the night, photosynthesis stops, but aquatic plants and microorganisms continue to respire, leading to a reduction in dissolved oxygen in the water.

Topic: Chemistry, Environmental Chemistry, NEET
What happens to double salts when dissolved in water?

Options:
A They form complex ions
B They become insoluble
C They dissociate into simple ions
D They remain unchanged

The correct answer is:
They dissociate into simple ions

Solution:
Double salts dissociate into simple ions completely when dissolved in water.

Topic: Chemistry, Coordination Compounds, NEET
What happens to electron density in a covalent bond between atoms of different electronegativity?

Options:
A It remains evenly distributed.
B It shifts towards the less electronegative atom.
C It shifts towards the more electronegative atom.
D It becomes zero.

The correct answer is:
It shifts towards the more electronegative atom.

Solution:
When a covalent bond is formed between atoms of different electronegativity, the electron density shifts towards the more electronegative atom.

Topic: Chemistry, General Organic Chemistry, NEET
What happens to electronegativity values as atomic radii increase down a group?

Options:
A They decrease.
B They increase.
C They remain constant.
D They depend on the specific group.

The correct answer is:
They decrease.

Solution:
Electronegativity values decrease with the increase in atomic radii down a group.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What happens to entropy when heat is added to a system?

Options:
A Entropy decreases.
B Entropy remains constant.
C Entropy increases.
D Entropy becomes negative

The correct answer is:
Entropy increases.

Solution:
When heat is added to a system, it increases the molecular motions within the system, leading to increased randomness and disorder, which is reflected in an increase in entropy.

Topic: Chemistry, Thermodynamics (C), NEET
What happens to gases before they reach the temperature of Absolute zero?

Options:
A They become solid.
B They become liquids.
C They disappear.
D They remain in the gaseous state.

The correct answer is:
They become liquids.

Solution:
All gases get liquefied before reaching the temperature of Absolute zero.

Topic: Chemistry, States of Matter, NEET
What happens to gypsum (CaSO4·2H2O) when it is heated to 393 K?

Options:
A It melts
B It decomposes to form anhydrous calcium sulfate
C It forms calcium sulfate dihydrate
D It remains unchanged

The correct answer is:
It decomposes to form anhydrous calcium sulfate

Solution:
When gypsum is heated to 393 K, it loses water of crystallization and forms anhydrous calcium sulfate (CaSO4).

Topic: Chemistry, s Block Elements, NEET
What happens to hydrogen peroxide when exposed to light, and how is this reaction catalyzed?

Options:
A It decomposes rapidly, and this reaction is catalyzed by metal surfaces.
B It remains stable, and no catalysis occurs.
C It turns into water, and this reaction is catalyzed by glass containers.
D It releases oxygen gas, and this reaction is catalyzed by plastic containers.

The correct answer is:
It decomposes rapidly, and this reaction is catalyzed by metal surfaces.

Solution:
Hydrogen peroxide decomposes rapidly when exposed to light, and this reaction is catalyzed by metal surfaces.

Topic: Chemistry, Hydrogen, NEET
What happens to intermolecular distances in the solid state?

Options:
A They become long.
B They remain constant.
C They become variable.
D They become short.

The correct answer is:
They become short.

Solution:
In the solid state, intermolecular distances become short, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What happens to ionization enthalpy as you move down Group 16?

Options:
A It increases
B It remains constant
C It decreases
D It varies unpredictably

The correct answer is:
It decreases

Solution:
The paragraph states that ionization enthalpy decreases down the group.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What happens to micelles on dilution?

Options:
A They become more stable
B They break down into individual ions
C They form larger aggregates
D They remain unchanged

The correct answer is:
They break down into individual ions

Solution:
On dilution, micelles revert back to individual ions.

Topic: Chemistry, Surface Chemistry, NEET
What happens to molar conductivity as concentration approaches zero?

Options:
A It remains constant.
B It decreases.
C It increases.
D It becomes infinite.

The correct answer is:
It increases.

Solution:
When concentration approaches zero, the molar conductivity is known as limiting molar conductivity and is represented by the symbol Λ°m.

Topic: Chemistry, Electrochemistry, NEET
What happens to nickel tetracarbonyl at higher temperatures in the Mond Process?

Options:
A It remains stable
B It solidifies
C It decomposes
D It forms nickel oxide

The correct answer is:
It decomposes

Solution:
At higher temperatures (450 – 470 K), nickel tetracarbonyl decomposes to yield pure nickel and carbon monoxide.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What happens to nitrogen dioxide and methane in the summer season over Antarctica?

Options:
A They react to form polar stratospheric clouds.
B They form a protective layer over the ozone.
C They react to create ozone-depleting compounds.
D They remain inert and have no impact on ozone depletion.

The correct answer is:
They form a protective layer over the ozone.

Solution:
In the summer season over Antarctica, nitrogen dioxide and methane form a protective layer that helps prevent significant ozone depletion.

Topic: Chemistry, Environmental Chemistry, NEET
What happens to osmotic pressure as sugars are removed from the phloem?

Options:
A Increases
B Decreases
C Remains the same
D Builds up

The correct answer is:
Decreases

Solution:
As sugars are removed from the phloem, the osmotic pressure decreases, causing water to move out of the phloem.

Topic: Biology, Transport in Plants, NEET
What happens to saccharin once it is excreted from the body?

Options:
A It remains unchanged
B It breaks down into glucose
C It becomes toxic
D It turns into natural sweeteners

The correct answer is:
It remains unchanged

Solution:
Saccharin is excreted from the body in urine unchanged.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What happens to sugar crystals when a thick sugar syrup solution, made at a higher temperature, is cooled to room temperature?

Options:
A Sugar crystals dissolve completely.
B Sugar crystals separate out.
C The solution becomes thicker.
D The syrup remains unchanged.

The correct answer is:
Sugar crystals separate out.

Solution:
Sugar crystals separate out when a thick sugar syrup solution is cooled to room temperature.

Topic: Chemistry, Chemical Equilibrium, NEET
What happens to tertiary alkyl groups during the oxidation of alkylbenzenes to carboxylic acids?

Options:
A They are oxidized to carboxylic acids.
B They remain unaffected.
C They are converted to alkenes.
D They become ketones.

The correct answer is:
They remain unaffected.

Solution:
Tertiary alkyl groups are not typically oxidized to carboxylic acids during the oxidation of alkylbenzenes.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What happens to the acidic character of the oxides as you move down the Group 15 elements?

Options:
A It increases
B It decreases
C It remains the same
D It varies unpredictably

The correct answer is:
It decreases

Solution:
The paragraph mentions that the acidic character decreases down the group.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What happens to the acidity of an acid as the strength of the H-A bond decreases?

Options:
A The acidity decreases.
B The acidity increases.
C The acidity remains unchanged.
D The acidity becomes more difficult to determine.

The correct answer is:
The acidity increases.

Solution:
As the strength of the H-A bond decreases, the acidity of the acid typically increases.

Topic: Chemistry, Ionic Equilibrium, NEET
What happens to the activities of nerves, lungs, heart and kidney when physical exercise is stopped?

Options:
A They remain the same.
B They gradually return to their normal conditions.
C They increase.
D They decrease.

The correct answer is:
They gradually return to their normal conditions.

Solution:
When physical exercise is stopped, the activities of nerves, lungs, heart and kidney gradually return to their normal conditions.

Topic: Biology, Neural Control and Coordination, NEET
What happens to the aldol and ketol products in Aldol condensation?

Options:
A They remain stable.
B They readily lose water to form a,b-unsaturated carbonyl compounds.
C They convert to alkanes.
D They undergo oxidation to form carboxylic acids.

The correct answer is:
They readily lose water to form a,b-unsaturated carbonyl compounds.

Solution:
The aldol and ketol products in Aldol condensation readily lose water to form a,b-unsaturated carbonyl compounds.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What happens to the amount of energy at successive trophic levels?

Options:
A Increases
B Remains the same
C Decreases
D Fluctuates

The correct answer is:
Decreases

Solution:
The amount of energy decreases at successive trophic levels.

Topic: Biology, Ecosystem, NEET
What happens to the atomic radii of the second (4d) series of elements when compared to the first (3d) series?

Options:
A The atomic radii of the second (4d) series decrease.
B The atomic radii of the second (4d) series remain the same.
C The atomic radii of the second (4d) series increase.
D The atomic radii of the second (4d) series vary unpredictably.

The correct answer is:
The atomic radii of the second (4d) series increase.

Solution:
The atomic radii of the second (4d) series show an increase when compared to the first (3d) series.

Topic: Chemistry, d and f Block Elements, NEET
What happens to the atomic radii when comparing the first (3d) to the second (4d) series of elements?

Options:
A The atomic radii decrease.
B The atomic radii remain the same.
C The atomic radii increase.
D The atomic radii vary unpredictably.

The correct answer is:
The atomic radii increase.

Solution:
Its show an increase in atomic radii from the first (3d) to the second (4d) series of elements.

Topic: Chemistry, d and f Block Elements, NEET
What happens to the atomic size as you move across a period in the periodic table?

Options:
A It increases
B It decreases
C It remains constant
D It becomes unpredictable

The correct answer is:
It decreases

Solution:
The atomic size generally decreases across a period in the periodic table due to the increased attraction of electrons to the nucleus as the atomic number increases.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What happens to the atria during ventricular systole?

Options:
A They contract
B They relax
C They remain unchanged
D They fluctuate

The correct answer is:
They relax

Solution:
During ventricular systole, the atria undergoes relaxation (diastole).

Topic: Biology, Body Fluids and Circulation, NEET
What happens to the biological activity of a protein when it undergoes denaturation?

Options:
A It is enhanced
B It remains unchanged
C It is lost
D It becomes more specific

The correct answer is:
It is lost

Solution:
Denaturation leads to the loss of a protein's biological activity.

Topic: Chemistry, Biomolecules, NEET
What happens to the blood in the ventricles during ventricular systole?

Options:
A It flows through the circulatory pathways
B It flows into the atria
C It remains in the ventricles
D It decreases the ventricular pressure

The correct answer is:
It flows through the circulatory pathways

Solution:
Allowing the blood in the ventricles to flow through these vessels into the circulatory pathways.

Topic: Biology, Body Fluids and Circulation, NEET
What happens to the bond length when the bond order between two atoms in a molecule decreases?

Options:
A The bond length remains constant.
B The bond length increases.
C The bond length decreases.
D The bond length becomes undefined.

The correct answer is:
The bond length increases.

Solution:
As the bond order decreases, the bond length increases.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What happens to the boundary between the liquid phase and gaseous phase when a liquid is heated up to its critical temperature in a closed vessel?

Options:
A It becomes more defined.
B It remains unchanged.
C It becomes less defined.
D It disappears completely.

The correct answer is:
It disappears completely.

Solution:
Correct Option is : (D)
It disappears completely.

Topic: Chemistry, States of Matter, NEET
What happens to the calcium and magnesium ions in hard water when they react with washing soda?

Options:
A They become more soluble.
B They remain unchanged.
C They form a complex with washing soda.
D They form insoluble carbonates.

The correct answer is:
They form insoluble carbonates.

Solution:
When calcium and magnesium ions in hard water react with washing soda, they form insoluble carbonates, which can be precipitated and removed.

Topic: Chemistry, Hydrogen, NEET
What happens to the carbon-halide bond in an SN2 reaction?

Options:
A It remains unchanged.
B It breaks, and a new bond is formed between carbon and a nucleophile.
C It forms a double bond.
D It forms a triple bond.

The correct answer is:
It breaks, and a new bond is formed between carbon and a nucleophile.

Solution:
In an SN2 reaction, the carbon-halide bond breaks, and a new bond is formed between carbon and the attacking nucleophile.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What happens to the centriole during the S phase in animal cells?

Options:
A It remains unchanged
B It undergoes mitosis
C It duplicates
D It undergoes DNA replication

The correct answer is:
It duplicates

Solution:
Centriole duplicates during S phase.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the centromere of each chromosome during anaphase?

Options:
A It splits and separates
B It moves to the equatorial plate
C It remains directed towards the pole
D It attaches to spindle fibres

The correct answer is:
It remains directed towards the pole

Solution:
As each chromosome moves away from the equatorial plate, the centromere of each chromosome remains directed towards the pole and hence at the leading edge, with the arms of the chromosome trailing behind.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the centrosome during prophase?

Options:
A It remains unchanged
B It begins to move towards opposite poles of the cell
C It is destroyed
D It becomes tangled

The correct answer is:
It begins to move towards opposite poles of the cell

Solution:
During prophase, the centrosome which had undergone duplication during S phase of interphase, now begins to move towards opposite poles of the cell.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the centrosome during prophase?

Options:
A It remains at the same location
B It begins to move towards opposite poles of the cell
C It begins to move towards the same pole of the cell
D It does not move

The correct answer is:
It begins to move towards opposite poles of the cell

Solution:
Centromere during prophase begins to move towards opposite poles of the cell.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the change in internal energy of the gas when the stopcock between cylinders A and B, both of equal capacity, is suddenly opened while A contains a gas at standard temperature and pressure, and B is completely evacuated, with the entire system thermally insulated?

Options:
A The internal energy increases.
B The internal energy decreases.
C The internal energy remains constant.
D The internal energy fluctuates.

The correct answer is:
The internal energy remains constant.

Solution:
Correct Option is : (C)
The internal energy remains constant.

Topic: Chemistry, Thermodynamics, NEET
What happens to the chromatin material at the end of telophase?

Options:
A It remains dispersed in the cytoplasm
B It collects at each of the two poles
C It forms the nuclear envelope
D It reforms into individual chromosomes

The correct answer is:
It collects at each of the two poles

Solution:
At the end of telophase, the individual chromosomes can no longer be seen and each set of chromatin material tends to collect at each of the two poles.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the chromosomal material during prophase?

Options:
A It becomes tangled
B It remains unchanged
C It becomes untangled
D It is destroyed

The correct answer is:
It becomes untangled

Solution:
During prophase, the chromosomal material becomes untangled during the process of chromatin condensation.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the chromosome number during meiosis?

Options:
A It increases
B It remains the same
C It decreases
D It fluctuates

The correct answer is:
It decreases

Solution:
Meiosis reduces the chromosome number by half, resulting in the production of haploid daughter cells.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the chromosomes during Telophase I?

Options:
A The chromosomes undergo some dispersion
B The chromosomes reach the extremely extended state of the interphase nucleus
C The chromosomes align on the equatorial plate
D The chromosomes remain associated at their centromeres

The correct answer is:
The chromosomes undergo some dispersion

Solution:
Although in many cases the chromosomes do undergo some dispersion, they do not reach the extremely extended state of the interphase nucleus during Telophase I.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the concentration of Zn2+ as time passes in the Daniell cell when the circuit is closed?

Options:
A It decreases
B It remains constant
C It increases
D It fluctuates

The correct answer is:
It increases

Solution:
When the circuit is closed in a Daniel cell, the concentration of Zn2+ keeps on increasing while the concentration of Cu2+ keeps on decreasing.

Topic: Chemistry, Electrochemistry, NEET
What happens to the concentrations of reactants and products in a dynamic equilibrium stage?

Options:
A They increase continuously.
B They decrease continuously.
C They fluctuate rapidly.
D They remain constant.

The correct answer is:
They remain constant.

Solution:
In a dynamic equilibrium stage, there is no change in the concentrations of various species in the reaction mixture, indicating that they remain constant.

Topic: Chemistry, Chemical Equilibrium, NEET
What happens to the conductance of electricity with an increase in the concentration of common salt?

Options:
A The conductance decreases.
B The conductance remains the same.
C The conductance increases.
D The conductance becomes unpredictable.

The correct answer is:
The conductance increases.

Solution:
The paragraph states that the conductance of electricity increases with an increase in the concentration of common salt.

Topic: Chemistry, Ionic Equilibrium, NEET
What happens to the counter ion in ionization isomerism?

Options:
A It remains unchanged
B It becomes part of the coordination sphere
C It is completely removed
D It exchanges places with another counter ion

The correct answer is:
It becomes part of the coordination sphere

Solution:
In ionization isomerism, the counter ion becomes a part of the coordination sphere as a ligand.

Topic: Chemistry, Coordination Compounds, NEET
What happens to the current in a tightly wound solenoid connected to a DC source when the coil is stretched to create gaps between successive elements of the spiral coil?

Options:
A The current will decrease
B The current will increase
C The current will remain the same
D The current behavior cannot be determined

The correct answer is:
The current will increase

Solution:
Correct Option is : (B)
The current will increase

Topic: Chemistry, Electromagnetic Induction, NEET
What happens to the degeneracy of d orbitals when ligands surround a metal atom/ion in a coordination complex?

Options:
A The degeneracy of d orbitals is maintained.
B The degeneracy of d orbitals is lowered.
C The degeneracy of d orbitals is raised.
D The degeneracy of d orbitals depends on the nature of ligands.

The correct answer is:
The degeneracy of d orbitals is lowered.

Solution:
When ligands surround a metal atom/ion in a coordination complex, the degeneracy of d orbitals is lowered due to repulsion between metal d orbitals and ligand electrons.

Topic: Chemistry, Coordination Compounds, NEET
What happens to the density of a solid when it exhibits a Frenkel defect?

Options:
A It increases.
B It decreases.
C It remains the same.
D It becomes electrically conductive.

The correct answer is:
It remains the same.

Solution:
The Frenkel defect does not change the density of the solid.

Topic: Chemistry, Solid State, NEET