datavorous/entrance-exam-dataset huggingface dataset:
Where was Panchanan Maheshwari born?

Options:
A Delhi
B Jaipur
C Allahabad
D London

The correct answer is:
Jaipur

Solution:
Panchanan Maheshwari was born in November 1904 in Jaipur, Rajasthan.

Topic: Biology, Reproduction in Organisms, NEET
Where was the World Summit on Sustainable Development held in 2002?

Options:
A Rio de Janeiro
B Johannesburg
C South Africa
D B) and C)

The correct answer is:
Johannesburg

Solution:
The World Summit on Sustainable Development was held in 2002 in Johannesburg, South Africa.

Topic: Biology, Biodiversity and its Conservation, NEET
Where were the fossils of man:like bones discovered?

Options:
A Ethiopia and Tanzania
B Java
C South America
D North America

The correct answer is:
Ethiopia and Tanzania

Solution:
Few fossils of man:like bones have been discovered in Ethiopia and TanzaniA)

Topic: Biology, Evolution, NEET
Where will be the human insulin found in the genetically altered prokaryote?

Options:
A Genetically engineered bacterial cytoplasm
B Genetically engineered bacterial nucleus
C Human liver having the modified bacteria
D Human pancreas having the modified bacteria

The correct answer is:
Genetically engineered bacterial cytoplasm

Solution:
Human insulin can be produced via genetic engineering by transferring the gene into a bacterial plasmid and getting it expressed. The insulin the bacteria is produced within the bacterial cytoplasm.

Topic: Biology, Biotechnology and Its Applications, NEET
Where will you look for the gametes of a malarial parasite?

Options:
A Red blood corpuscles of humans suffering from malaria
B Saliva of infected female mosquito
C Salivary glands of freshly moulted infected female mosquito
D Gut of infected female mosquito that can act as vector for malaria parasite

The correct answer is:
Gut of infected female mosquito that can act as vector for malaria parasite

Solution:
Malaria is cause by the parasite Plasmodium and it is spread by the female mosquito which feeds off the blood from animals for nutrients. Thus, the female mosquito acts as the vector for transmitting the disease.
During a blood meal by the mosquito, blood stage parasites (gametocytes, which occur in male and female forms) are ingested and pass in to the gut of the vector mosquito. These gametes mate in the gut of the mosquito and begin a cycle of growth and multiplication in the mosquito. Thus, gametes of the parasite will be found the gut of the mosquito.

Topic: Biology, Human Health and Diseases, NEET
Where will you look for the sporozoites of the malarial parasite?

Options:
A Red blood corpuscles of humans suffering from malaria
B Spleen of infected humans
C Salivary glands of freshly moulted female Anopheles mosquito
D Saliva of infected female Anopheles mosquito

The correct answer is:
Saliva of infected female Anopheles mosquito

Solution:
Sporozoite are the infective stage of malarial parasite. They are present in the saliva of infected female Anopheles mosquito.

Topic: Biology, Human Health and Diseases, NEET, NEET 2011 (Screening)
Where would you look for active cell division in plants?

Options:
A In the pith cells
B In the cells of cortex
C In the internodal region
D At the tip of root and shoot

The correct answer is:
At the tip of root and shoot

Solution:
In the apical meristem tissue, actively dividing cells are present.

Topic: Biology, Plant - Growth and Development, NEET
Which acid can be oxidised by H2O2 ?

Options:
A Malonic acid
B Acetic acid
C Oxalic acid
D Propanoic acid

The correct answer is:
Propanoic acid

Solution:
Here only propanoic acid can be oxidized by H2O2 as hydroxylation of acid by H2O2 takes place at β -carbon only.

Topic: Chemistry, Carboxylic Acid Derivatives, NEET
Which acid is typically used for treating cumene hydroperoxide to produce phenol and acetone?

Options:
A Sulfuric acid
B Hydrochloric acid
C Nitric acid
D Phosphoric acid

The correct answer is:
Sulfuric acid

Solution:
Sulfuric acid is commonly used to treat cumene hydroperoxide and convert it into phenol and acetone.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
Which acid makes iron passive?

Options:
A Sulphuric acid
B Fuming nitric acid
C Hydrofluoric acid
D Hydrochloric acid

The correct answer is:
Fuming nitric acid

Solution:
Iron is made passive by conc. HNO3. It forms a layer of oxide on iron and this become passive towards HNO3.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
Which acid of each pair shown here would you expect to be stronger?

Options:
A CH2FCH2CH2COOH
B CH3CHFCH2COOH
C Both have the same strength
D None of the above

The correct answer is:
CH3CHFCH2COOH

Solution:
Correct Option is : (B)
CH3CHFCH2COOH

Topic: Chemistry, Aldehydes and Ketones, NEET
Which acid of each pair shown here would you expect to be stronger?

Options:
A F3C-Ph-COOH
B H3C-Ph-COOH
C Both have the same strength
D None of the above

The correct answer is:
F3C-Ph-COOH

Solution:
Correct Option is : (A)
F3C-Ph-COOH

Topic: Chemistry, Aldehydes and Ketones, NEET
Which acid of each pair shown here would you expect to be stronger?

Options:
A CH2FCOOH
B CH2ClCOOH
C Both have the same strength
D None of the above

The correct answer is:
CH2FCOOH

Solution:
Correct Option is : (A)
CH2FCOOH

Topic: Chemistry, Aldehydes and Ketones, NEET
Which acid of each pair shown here would you expect to be stronger?

Options:
A CH3CO2H
B CH2FCOOH
C Both have the same strength
D None of the above

The correct answer is:
CH2FCOOH

Solution:
Correct Option is : (B)
CH2FCOOH

Topic: Chemistry, Aldehydes and Ketones, NEET
Which acid was first isolated from human urine?

Options:
A IBA
B IAA
C NAA
D 2, 4-D

The correct answer is:
IAA

Solution:
The term ‘auxin’ is applied to the indole-3-acetic acid (IAA), which was first isolated from human urine.

Topic: Biology, Plant - Growth and Development, NEET
Which actinoid element has an oxidation state of +6?

Options:
A Thorium (Th)
B Protactinium (Pa)
C Uranium (U)
D Neptunium (Np)

The correct answer is:
Uranium (U)

Solution:
Uranium (U) exhibits an oxidation state of +6.

Topic: Chemistry, d and f Block Elements, NEET
Which actinoid element has the highest known oxidation state?

Options:
A Thorium (Th)
B Protactinium (Pa)
C Uranium (U)
D Neptunium (Np)

The correct answer is:
Neptunium (Np)

Solution:
The maximum oxidation state increases from +4 in Thorium (Th) to +5, +6, and +7 in Protactinium (Pa), Uranium (U), and Neptunium (Np) respectively.

Topic: Chemistry, d and f Block Elements, NEET
Which adsorbents are commonly used in adsorption chromatography?

Options:
A Silica gel and alumina
B Water and oil
C Glass and metal
D Paper and cardboard

The correct answer is:
Silica gel and alumina

Solution:
Silica gel and alumina are commonly used as adsorbents in adsorption chromatography.

Topic: Chemistry, General Organic Chemistry, NEET
Which adsorbents are used for controlling humidity?

Options:
A Charcoal and silica
B Aluminium and charcoal
C Silica and aluminium gels
D Activated carbon and alumina

The correct answer is:
Silica and aluminium gels

Solution:
The paragraph states that silica and aluminium gels are used as adsorbents for removing moisture and controlling humidity.

Topic: Chemistry, Surface Chemistry, NEET
Which aerosols deplete ozone?

Options:
A Chlorofluorocarbons (CFCs) and halons.
B Nitrous oxide (N2O) and methane (CH4).
C Carbon monoxide (CO) and nitrogen oxides (NOx).
D Sulfur dioxide (SO2) and particulate matter.

The correct answer is:
Chlorofluorocarbons (CFCs) and halons.

Solution:
Correct Option is : (A)
Chlorofluorocarbons (CFCs) and halons.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
Which air pollutant is known for causing a "red haze" in traffic and congested areas?

Options:
A Carbon dioxide
B Sulfur dioxide
C Oxides of nitrogen
D Hydrocarbons

The correct answer is:
Oxides of nitrogen

Solution:
Oxides of nitrogen, particularly nitrogen dioxide (NO2), are responsible for causing the "red haze" often seen in traffic-congested areas. This haze is a result of the presence of nitrogen oxides in the atmosphere.

Topic: Chemistry, Environmental Chemistry, NEET
Which alcohol is most reactive for dehydrogenation?

Options:
A
B
C
D

The correct answer is:

Solution:
Reactivity for dehydrogenation α -1 group present in alcohol.
Here the reactivity order for dehydrogenation is as follows

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
Which aldehyde is commonly used to preserve biological specimens and in the production of bakelite?

Options:
A Acetone
B Formaldehyde
C Benzaldehyde
D Acetaldehyde

The correct answer is:
Formaldehyde

Solution:
Formaldehyde, also known as formalin, is commonly used to preserve biological specimens and in the production of bakelite, a phenol-formaldehyde resin.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
Which alkali metal forms a monoxide when it burns in oxygen?

Options:
A Sodium
B Potassium
C Lithium
D Rubidium

The correct answer is:
Lithium

Solution:
Lithium forms a monoxide (Li2O) when it burns in oxygen.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal forms a peroxide when it reacts vigorously with oxygen?

Options:
A Lithium
B Sodium
C Potassium
D Rubidium

The correct answer is:
Sodium

Solution:
Sodium forms a peroxide (Na2O2) when it reacts vigorously with oxygen.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal forms peroxides when it reacts with oxygen?

Options:
A Lithium
B Sodium
C Potassium
D Cesium

The correct answer is:
Sodium

Solution:
Sodium forms peroxides (Na2O2) when it reacts with oxygen.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal forms superoxides when it reacts with oxygen?

Options:
A Potassium
B Rubidium
C Cesium
D Sodium

The correct answer is:
Potassium

Solution:
Potassium forms superoxides when it reacts with oxygen.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal halide would be expected to have the most ionic character?

Options:
A Sodium fluoride
B Potassium chloride
C Rubidium bromide
D Lithium iodide

The correct answer is:
Sodium fluoride

Solution:
Sodium fluoride would be expected to have the most ionic character among these options because sodium (Na+) has a larger ionic radius compared to lithium (Li+), leading to stronger ionic bonding.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal has the highest atomic number?

Options:
A Lithium (Li)
B Sodium (Na)
C Potassium (K)
D Cesium (Cs)

The correct answer is:
Cesium (Cs)

Solution:
Cesium (Cs) has the highest atomic number among the alkali metals.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal has the highest boiling point?

Options:
A Lithium
B Sodium
C Potassium
D Cesium

The correct answer is:
Cesium

Solution:
Cesium has the highest boiling point among the alkali metals due to its larger atomic size and stronger metallic bonding.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal has the highest melting point?

Options:
A Lithium (Li)
B Sodium (Na)
C Potassium (K)
D Cesium (Cs)

The correct answer is:
Lithium (Li)

Solution:
Among the alkali metals, lithium (Li) has the highest melting point.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal has the least negative Eo value among the group?

Options:
A Lithium
B Sodium
C Potassium
D Rubidium

The correct answer is:
Sodium

Solution:
Among the alkali metals, sodium has the least negative Eo value.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal has the lowest melting point?

Options:
A Sodium
B Lithium
C Potassium
D Rubidium

The correct answer is:
Lithium

Solution:
Lithium has the lowest melting point among alkali metals, contributing to its characteristic low-temperature behavior.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal has the lowest melting point?

Options:
A Lithium (Li)
B Sodium (Na)
C Potassium (K)
D Cesium (Cs)

The correct answer is:
Sodium (Na)

Solution:
Sodium (Na) has the lowest melting point among the alkali metals.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal ion has the highest charge density?

Options:
A Li+
B Na+
C K+
D Cs+

The correct answer is:
Li+

Solution:
Among the alkali metal ions, Li+ has the highest charge density. Charge density is inversely proportional to ionic size, so the smallest ion (Li+) has the highest charge density.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal ion has the highest degree of hydration?

Options:
A Li+
B Na+
C K+
D Cs+

The correct answer is:
Li+

Solution:
Among the alkali metal ions, Li+ has the highest degree of hydration. This means that it attracts and binds to a larger number of water molecules compared to the other alkali metal ions, making it the most hydrated.

Topic: Chemistry, s Block Elements, NEET
Which alkali metal ion has the strongest tendency to form hydrates in the presence of water?

Options:
A Li+
B Na+
C K+
D Cs+

The correct answer is:
Li+

Solution:
Among the alkali metal ions, Li+ has the strongest tendency to form hydrates in the presence of water. It has a high degree of hydration due to its strong interaction with water molecules.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal appears somewhat grayish and is harder than the other alkaline earth metals?

Options:
A Beryllium
B Magnesium
C Calcium
D Barium

The correct answer is:
Beryllium

Solution:
Beryllium appears somewhat grayish and is harder than the other alkaline earth metals.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal burns with dazzling brilliance in air?

Options:
A Beryllium (Be)
B Magnesium (Mg)
C Calcium (Ca)
D Strontium (Sr)

The correct answer is:
Magnesium (Mg)

Solution:
Magnesium burns with dazzling brilliance in air due to its high reactivity with oxygen.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal carbonate is sparingly soluble in water and often used as a dietary supplement for calcium?

Options:
A Magnesium carbonate (MgCO3)
B Calcium carbonate (CaCO3)
C Strontium carbonate (SrCO3)
D Barium carbonate (BaCO3)

The correct answer is:
Calcium carbonate (CaCO3)

Solution:
Calcium carbonate (CaCO3) is sparingly soluble in water and is often used as a dietary supplement for calcium due to its low solubility.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal carbonate is unstable and can only be kept in the atmosphere of CO2?

Options:
A Magnesium carbonate (MgCO3)
B Calcium carbonate (CaCO3)
C Strontium carbonate (SrCO3)
D Beryllium carbonate (BeCO3)

The correct answer is:
Beryllium carbonate (BeCO3)

Solution:
Beryllium carbonate (BeCO3) is unstable and can only be kept in the atmosphere of carbon dioxide (CO2) because it readily decomposes in air.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal does not form a solid hydrogencarbonate?

Options:
A Lithium (Li)
B Beryllium (Be)
C Magnesium (Mg)
D Calcium (Ca)

The correct answer is:
Lithium (Li)

Solution:
Lithium (Li) does not form solid hydrogencarbonates, unlike some other alkaline earth metals.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal exhibits the least reactivity with acids?

Options:
A Beryllium
B Magnesium
C Calcium
D Barium

The correct answer is:
Beryllium

Solution:
Beryllium is the least reactive among the alkaline earth metals when it comes to reacting with acids.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal forms an oxide and nitride when burned in air?

Options:
A Beryllium (Be)
B Magnesium (Mg)
C Calcium (Ca)
D Strontium (Sr)

The correct answer is:
Magnesium (Mg)

Solution:
When burned in air, magnesium forms both magnesium oxide (MgO) and magnesium nitride (Mg3N2).

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal forms an oxide that is essentially covalent in nature?

Options:
A Beryllium (Be)
B Magnesium (Mg)
C Calcium (Ca)
D Strontium (Sr)

The correct answer is:
Beryllium (Be)

Solution:
Beryllium (Be) forms an oxide (BeO) that is essentially covalent in nature, unlike the oxides of other alkaline earth metals which are ionic.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal forms an oxide with a rock-salt structure?

Options:
A Beryllium (Be)
B Magnesium (Mg)
C Calcium (Ca)
D Strontium (Sr)

The correct answer is:
Magnesium (Mg)

Solution:
Magnesium (Mg) forms an oxide with a rock-salt structure, similar to other alkaline earth metal oxides except for beryllium oxide.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal forms the oxide CaO, which does not combine with excess oxygen to give any superoxide?

Options:
A Beryllium (Be)
B Magnesium (Mg)
C Calcium (Ca)
D Barium (Ba)

The correct answer is:
Calcium (Ca)

Solution:
Calcium (Ca) forms the oxide CaO, which does not combine with excess oxygen to give any superoxide.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal halide forms a chain structure in the solid state?

Options:
A Beryllium chloride (BeCl2)
B Magnesium chloride (MgCl2)
C Calcium chloride (CaCl2)
D Strontium chloride (SrCl2)

The correct answer is:
Beryllium chloride (BeCl2)

Solution:
Beryllium chloride (BeCl2) forms a chain structure in the solid state.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal halide has the formula MgCl2·8H2O?

Options:
A Magnesium chloride (MgCl2)
B Calcium chloride (CaCl2)
C Strontium chloride (SrCl2)
D Beryllium chloride (BeCl2)

The correct answer is:
Magnesium chloride (MgCl2)

Solution:
The formula MgCl2·8H2O represents hydrated magnesium chloride.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal halide has the highest number of water molecules in its hydrate?

Options:
A Beryllium chloride (BeCl2·4H2O)
B Calcium chloride (CaCl2·6H2O)
C Strontium chloride (SrCl2·6H2O)
D Barium chloride (BaCl2·2H2O)

The correct answer is:
Strontium chloride (SrCl2·6H2O)

Solution:
Strontium chloride (SrCl2·6H2O) has the highest number of water molecules in its hydrate among the given options.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal halide tends to form a chloro-bridged dimer in the vapor phase?

Options:
A Beryllium chloride (BeCl2)
B Magnesium chloride (MgCl2)
C Calcium chloride (CaCl2)
D Strontium chloride (SrCl2)

The correct answer is:
Beryllium chloride (BeCl2)

Solution:
In the vapor phase, beryllium chloride (BeCl2) tends to form a chloro-bridged dimer.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal has the highest enthalpy of formation for its oxide?

Options:
A Beryllium (Be)
B Magnesium (Mg)
C Calcium (Ca)
D Strontium (Sr)

The correct answer is:
Strontium (Sr)

Solution:
Strontium (Sr) has the highest enthalpy of formation for its oxide among the alkaline earth metals, making it very stable to heat.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal has the highest melting point?

Options:
A Beryllium
B Magnesium
C Calcium
D Barium

The correct answer is:
Beryllium

Solution:
Beryllium (Be) has the highest melting point among the alkaline earth metals

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal hydroxide can react with acid and alkali to form soluble salts?

Options:
A Beryllium hydroxide (Be(OH)2)
B Magnesium hydroxide (Mg(OH)2)
C Calcium hydroxide (Ca(OH)2)
D Barium hydroxide (Ba(OH)2)

The correct answer is:
Beryllium hydroxide (Be(OH)2)

Solution:
Beryllium hydroxide (Be(OH)2) is amphoteric in nature, meaning it can react with both acids and alkalis to form soluble salts. This property sets it apart from the other alkaline earth metal hydroxides.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal hydroxide is commonly used in the preparation of cement and as a soil stabilizer?

Options:
A Beryllium hydroxide (Be(OH)2)
B Magnesium hydroxide (Mg(OH)2)
C Calcium hydroxide (Ca(OH)2)
D Barium hydroxide (Ba(OH)2)

The correct answer is:
Calcium hydroxide (Ca(OH)2)

Solution:
Calcium hydroxide (Ca(OH)2) is commonly used in the preparation of cement and as a soil stabilizer due to its ability to react with carbon dioxide from the air to form calcium carbonate, which strengthens structures and stabilizes soils.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal hydroxide is sparingly soluble in water and used as an antacid in medicine?

Options:
A Beryllium hydroxide (Be(OH)2)
B Magnesium hydroxide (Mg(OH)2)
C Calcium hydroxide (Ca(OH)2)
D Barium hydroxide (Ba(OH)2)

The correct answer is:
Magnesium hydroxide (Mg(OH)2)

Solution:
Magnesium hydroxide (Mg(OH)2) is sparingly soluble in water and is used as an antacid in medicine due to its ability to neutralize excess stomach acid. It forms a slightly soluble hydroxide in water, which helps alleviate acid-related digestive issues.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal hydroxide is the most basic?

Options:
A Beryllium hydroxide (Be(OH)2)
B Magnesium hydroxide (Mg(OH)2)
C Calcium hydroxide (Ca(OH)2)
D Barium hydroxide (Ba(OH)2)

The correct answer is:
Barium hydroxide (Ba(OH)2)

Solution:
Barium hydroxide (Ba(OH)2) is the most basic among the alkaline earth metal hydroxides. As you move down the alkaline earth metal group in the periodic table, the basicity of the hydroxides increases, and barium hydroxide has the highest basic character due to its position at the bottom of the group.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal hydroxide is used in the preparation of the traditional building material known as lime mortar?

Options:
A Beryllium hydroxide (Be(OH)2)
B Magnesium hydroxide (Mg(OH)2)
C Calcium hydroxide (Ca(OH)2)
D Barium hydroxide (Ba(OH)2)

The correct answer is:
Calcium hydroxide (Ca(OH)2)

Solution:
Calcium hydroxide (Ca(OH)2), also known as slaked lime, is used in the preparation of lime mortar, a traditional building material. When calcium hydroxide reacts with carbon dioxide from the air, it forms calcium carbonate, which hardens and strengthens the mortar.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal hydroxide is used in the process of water softening?

Options:
A Beryllium hydroxide (Be(OH)2)
B Magnesium hydroxide (Mg(OH)2)
C Calcium hydroxide (Ca(OH)2)
D Barium hydroxide (Ba(OH)2)

The correct answer is:
Calcium hydroxide (Ca(OH)2)

Solution:
Calcium hydroxide (Ca(OH)2) is used in the process of water softening to remove hardness-causing ions such as calcium and magnesium from water, thereby making the water "soft."

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal ion has the highest electron affinity?

Options:
A Be2+
B Mg2+
C Ca2+
D Sr2+

The correct answer is:
Be2+

Solution:
Be2+ has the highest electron affinity due to its small size and high effective nuclear charge.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal ion has the largest ionic size?

Options:
A Be2+
B Mg2+
C Ca2+
D Sr2+

The correct answer is:
Sr2+

Solution:
Among the given options, Sr2+ is the largest alkaline earth metal ion.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal is commonly used in the production of lightweight alloys in aerospace and automotive industries?

Options:
A Beryllium
B Magnesium
C Calcium
D Strontium

The correct answer is:
Magnesium

Solution:
Magnesium is commonly used in the production of lightweight alloys in aerospace and automotive industries due to its low density and good mechanical properties.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal is known for its toxicity and is handled with caution in industrial settings?

Options:
A Beryllium (Be)
B Magnesium (Mg)
C Calcium (Ca)
D Barium (Ba)

The correct answer is:
Beryllium (Be)

Solution:
Beryllium is known for its toxicity, and precautions must be taken when handling it in industrial settings.

Topic: Chemistry, s Block Elements, NEET
Which alkaline earth metal is the least reactive with oxygen and water?

Options:
A Beryllium (Be)
B Magnesium (Mg)
C Calcium (Ca)
D Strontium (Sr)

The correct answer is:
Beryllium (Be)

Solution:
Beryllium is the least reactive with oxygen and water among these metals due to the protective oxide film on its surface.

Topic: Chemistry, s Block Elements, NEET