ccccEsion/IMUG-Bench huggingface dataset:
Domain: Chemistry / ph_measurement

turn: 1
modality: image
input: Please generate a concise chemical laboratory bench scene: A substance is contained in a beaker. The substance must have the following observable appearance: white, solid, in the form of pellets or flakes, opaque, with no metallic luster. The background should be a clean laboratory bench with basic equipment outlines, avoiding clutter and text labels.
output: evaluation_points: 1. The container generated in the image is correct; it is indeed a beaker.

2. The color and physical form (pellets/flakes) of the target substance conform to the described 'white, solid, in the form of pellets or flakes'.

3. The substance is appropriately contained in the beaker, with a suitable quantity shown.

4. The background is a clean laboratory bench scene.

turn: 2
modality: text
input: Based on the appearance of the substance in the input image, and given that this substance is known to have the following properties: (1) It is highly soluble in water, releasing a significant amount of heat upon dissolution. (2) Its aqueous solution feels slippery to the touch. (3) It readily absorbs carbon dioxide and moisture from the air. Which of the following substances is it most likely to be?
Options:
A. Sodium Chloride (NaCl)
B. Calcium Carbonate (CaCO₃)
C. Sodium Hydroxide (NaOH)
D. Anhydrous Copper(II) Sulfate (CuSO₄)
E. None of the above
output: answer: C

turn: 3
modality: text
input: We will subsequently refer to the substance you identified in the previous question as the 'target substance'. To measure the pH of a 0.1 mol/L aqueous solution prepared from this target substance, which of the following reagents or instruments is most appropriate?
Options:
A. Litmus paper
B. Phenolphthalein indicator solution
C. Universal pH test paper
D. Methyl orange indicator solution
E. None of the above
output: answer: C

turn: 4
modality: image
input: Now, using the instrument or reagent you selected in the previous round, measure the pH value of the 0.1 mol/L aqueous solution of the target substance. Please generate the result after the measurement is complete. The background should be a clean laboratory bench.
output: evaluation_points: 1. The image correctly depicts a single strip of pH test paper, and the paper is positioned reasonably (e.g., on a clean surface, possibly next to the container).

2. The color of the wetted portion of the test paper corresponds to the correct pH range color for a 0.1 mol/L sodium hydroxide solution (a dark blue or purple color, indicating a pH of approximately 13).

The background is a clean laboratory bench, consistent with the background in the input image of turn 1.
Domain: Chemistry / ph_measurement

turn: 1
modality: image
input: Please generate a concise chemical laboratory bench scene: A substance is contained in a <beaker>. This substance must have the following observable appearance: <white color + solid state + fine powder form + matte finish>. The background should be a <laboratory environment: bench surface with basic equipment outlines, avoid clutter and text labels>.
output: evaluation_points: 1. The container generated in the image is correct and is indeed a <beaker>.

2. The color and appearance (fine powder) of the target substance conform to '<white, solid, fine powder, matte>'.

3. The substance is appropriately contained in the beaker with a suitable quantity.

4. The background is a simple laboratory bench scene.

turn: 2
modality: text
input: Based on the appearance of the substance in the input image, and given that this substance is known to have the following properties: <1. It is slightly soluble in water, and its saturated aqueous solution is alkaline. 2. It reacts with carbon dioxide in the air to form a white precipitate. 3. It is commonly used in construction and water treatment.>, please select the substance it most likely is from the following options:

A. Sodium Chloride (NaCl)
B. Calcium Hydroxide (Ca(OH)₂)
C. Copper(II) Sulfate Pentahydrate (CuSO₄·5H₂O)
D. Sulfur (S)
E. None of the above
output: answer: B

turn: 3
modality: text
input: We will subsequently refer to the substance you guessed in the previous text as the 'target substance'. To measure the pH of a <0.01 mol/L aqueous solution> prepared from the target substance, the most appropriate reagent or instrument to choose is:

A. Litmus paper (red and blue)
B. Universal pH test paper
C. Phenolphthalein indicator solution
D. Methyl orange indicator solution
E. None of the above
output: answer: B

turn: 4
modality: image
input: Now, using the instrument or reagent you selected in the previous round, measure the pH value of the target substance's <0.01 mol/L aqueous solution>. Please generate the result after the measurement is complete. The background is a simple laboratory bench.
output: evaluation_points: 1. The image correctly depicts a single strip of pH test paper, and the paper is positioned reasonably (e.g., placed on a clean surface after dipping).

2. The color of the wetted portion of the test paper corresponds to the <correct pH range color for a 0.01 mol/L calcium hydroxide solution>, which should be in the <blue-green to blue range (approximately pH 11-12)>.

The background is a simple laboratory bench, consistent with the background of the image generated in Turn 1.
Domain: Chemistry / ph_measurement

turn: 1
modality: text
input: Which of the following substances are consistent with the description: 'A colorless, aqueous solution with a pungent, irritating odor, and exhibiting basic properties'?
Options:
A. Concentrated nitric acid (HNO₃, 68%)
B. Dilute sulfuric acid (H₂SO₄, 1 mol/L)
C. Aqueous ammonia (NH₃·H₂O, 2 mol/L)
D. Sodium hydroxide solution (NaOH, 1 mol/L)
E. Acetic acid solution (CH₃COOH, 0.1 mol/L)
F. Calcium hydroxide suspension (saturated Ca(OH)₂)
G. None of the above
output: answer: C, D

turn: 2
modality: image
input: It is known that the target substance is one of the correct options from the previous question and satisfies the following additional condition: 'This substance is volatile and must be stored in a tightly sealed container to prevent the escape of its gaseous component.' Please generate an image showing this target substance being stored correctly in its proper container and placed on a laboratory bench.
output: evaluation_points: 1. The container generated in the image is correct: a glass reagent bottle with a ground glass stopper or a plastic-coated screw cap.

2. The substance generated is indeed aqueous ammonia (NH₃·H₂O), appearing as a colorless, clear liquid solution.

3. The substance is contained in the bottle with the stopper/cap securely fastened, and the fill level is appropriate (e.g., not overflowing, leaving some headspace).

4. The background is a simple laboratory bench scene, consistent with the description in the turn 2 input text.

turn: 3
modality: text
input: We will subsequently refer to the substance you identified earlier as the 'target substance.' To measure the pH of a 0.1 mol/L solution prepared from this target substance, the most appropriate reagent or instrument to choose is:
Options:
A. Litmus paper (red/blue)
B. Phenolphthalein indicator solution
C. Universal pH test paper
D. Methyl orange indicator solution
E. None of the above
output: answer: C

turn: 4
modality: image
input: Now, using the instrument or reagent you selected in the previous round, measure the pH value of the 0.1 mol/L solution of the target substance. Please generate the result after the measurement is complete. The background is a simple laboratory bench.
output: evaluation_points: 1. The image correctly depicts a single strip of pH test paper, placed reasonably (e.g., on a watch glass or clean surface).

2. The color of the wetted portion of the test paper corresponds to the correct pH range color for a 0.1 mol/L ammonia solution (approximately pH 11, typically a dark green or blue-green color on standard universal pH paper).

3. The background is a simple laboratory bench scene.
Domain: Chemistry / ph_measurement

turn: 1
modality: text
input: Which of the following substances are white, odorless solids at room temperature, soluble in water, and yield an alkaline aqueous solution? (Select all that apply)

A. Sodium chloride (NaCl)
B. Calcium carbonate (CaCO3)
C. Sodium carbonate (Na2CO3)
D. Sulfur powder (S)
E. Potassium hydroxide (KOH)
F. Copper(II) sulfate pentahydrate (CuSO4·5H2O)
G. None of the above
output: answer: C, E

turn: 2
modality: image
input: It is known that the target substance is one of the correct options from the previous question. Furthermore, it is a common laboratory reagent that is hygroscopic and must be stored in a sealed container to prevent it from absorbing moisture and caking. Please generate an image showing this target substance stored correctly in its proper container and placed on a laboratory bench.
output: evaluation_points: 1. The container generated in the image is correct: a wide-mouth, screw-cap glass reagent bottle or a tightly sealed plastic bottle, clearly labeled.

2. The substance generated in the image is sodium carbonate (Na2CO3), appearing as a fine, white, crystalline powder.

3. The substance is correctly contained within the sealed bottle, with a suitable fill level (e.g., bottle is 1/2 to 3/4 full). The cap must be shown securely fastened to indicate protection from atmospheric moisture.

4. The background is a simple, uncluttered laboratory bench scene.

turn: 3
modality: text
input: We will now refer to the substance you identified previously as the 'target substance'. To measure the pH of a 0.1 M aqueous solution prepared from this target substance, which of the following reagents or instruments is most appropriate?

A. Litmus paper
B. Phenolphthalein indicator solution
C. Universal indicator solution
D. pH test paper (with a color chart)
E. None of the above
output: answer: D

turn: 4
modality: image
input: Now, using the instrument or reagent you selected in the previous round, measure the pH value of the 0.1 M aqueous solution of the target substance. Please generate the result after the measurement is complete. The background is a simple laboratory bench.
output: evaluation_points: 1. The image correctly depicts a single strip of pH test paper, shown lying flat on a clean surface (e.g., watch glass, bench) after being dipped.

2. The color of the wetted portion of the test paper matches the color corresponding to a pH of approximately 11-12 (e.g., a dark blue or purple-blue hue), which is correct for a 0.1 M sodium carbonate solution.

3. The background is a simple, uncluttered laboratory bench scene.
Domain: Chemistry / ph_measurement

turn: 1
modality: image
input: Please generate a concise chemical laboratory bench scene: A substance is contained in a <glass reagent bottle with a ground glass stopper>. This substance must have the following observable appearance: <colorless, liquid, clear, and transparent>. The background should be a <laboratory environment: a bench with basic equipment outlines, avoiding clutter and text labels>.
output: evaluation_points: 1. The container generated in the image is correct and is indeed a <glass reagent bottle with a ground glass stopper>.

2. The color and appearance (liquid, clear, transparent) of the target substance conform to the description '<colorless, liquid, clear, and transparent>'.

3. The substance is contained in the bottle in a suitable amount, with the stopper in place.

4. The background is a simple laboratory bench scene.

turn: 2
modality: text
input: Based on the appearance of the substance in the input image, and given that this substance is known to have the following properties: <1. It has a characteristic pungent odor. 2. It is miscible with water in all proportions. 3. Its pure form freezes at approximately 16.6°C.>, please select from the following options the substance it most likely is:

A. Concentrated Sulfuric Acid (H2SO4)
B. Ethanol (C2H5OH)
C. Acetic Acid (CH3COOH)
D. Glycerol (C3H8O3)
E. None of the above
output: answer: C

turn: 3
modality: text
input: We will subsequently refer to the substance you identified in the previous context as the 'target substance'. To measure the pH of a <0.1 mol/L aqueous solution> prepared from the target substance, the most appropriate reagent or instrument to choose is:

A. Litmus paper
B. Phenolphthalein indicator solution
C. Universal pH test paper
D. Methyl orange indicator solution
E. None of the above
output: answer: C

turn: 4
modality: image
input: Now, using the instrument or reagent you selected in the previous round, measure the pH value of the target substance's <0.1 mol/L aqueous solution>. Please generate the result after the measurement is complete. The background is a simple laboratory bench.
output: evaluation_points: 1. The image correctly depicts a single strip of pH test paper, and the paper is positioned reasonably (e.g., lying flat on a clean surface or held by forceps).

2. The color of the wetted portion of the test paper corresponds to the <correct pH range color for a 0.1 mol/L acetic acid solution>, which should be in the <orange-yellow range, indicating a pH of approximately 2-3>.

The background is a simple laboratory bench scene, consistent with the background in the Turn 1 output image.
Domain: Chemistry / ph_measurement

turn: 1
modality: image
input: Please generate a concise chemical laboratory bench scene: A substance is contained in a <correct and appropriate laboratory container type>. The substance must exhibit the following observable characteristics: <color + physical state (solid/liquid/gas) + form (powder/lump/crystal/solution, etc.) + optional luster/transparency; the name, chemical formula, or element symbols of the substance are strictly prohibited>. The background should be a <laboratory environment: bench surface, basic equipment outlines, avoiding clutter and text labels>.
output: evaluation_points: 1. The container generated in the image is correct and indeed matches the <glass reagent bottle with a ground glass stopper> mentioned in the prompt.

2. The color and appearance (form) of the target substance conform to 'a colorless, oily, viscous liquid'.

3. The substance is correctly contained in the bottle, and the fill level is appropriate (not overflowing, not too low).

4. The background is a simple laboratory bench scene.

turn: 2
modality: text
input: Based on the appearance of the substance in the input image, and given that this substance is known to possess the following properties: <1. It is a strong diprotic acid. 2. It has a very high affinity for water and is highly hygroscopic. 3. It is a dense, oily liquid at room temperature.>, please select the substance it most likely is from the following options:

A. Concentrated Nitric Acid (HNO₃)
B. Concentrated Hydrochloric Acid (HCl)
C. Concentrated Sulfuric Acid (H₂SO₄)
D. Glacial Acetic Acid (CH₃COOH)
E. None of the above
output: answer: C

turn: 3
modality: text
input: We will subsequently refer to the substance you identified in the previous question as the 'target substance'. To measure the pH of a <0.1 mol/L aqueous solution> prepared from this target substance, the most appropriate reagent or instrument to choose is:

A. Litmus paper
B. Phenolphthalein indicator solution
C. Universal pH test paper
D. A piece of blue cobalt chloride paper
E. None of the above
output: answer: C

turn: 4
modality: image
input: Now, using the instrument or reagent you selected in the previous round, please generate the result after measuring the pH value of the target substance's <0.1 mol/L aqueous solution>. The background is a simple laboratory bench.
output: evaluation_points: 1. The image correctly depicts a single strip of pH test paper, and the paper is positioned reasonably (e.g., lying on a watch glass or clean surface, not held in hand).

2. The color of the wetted portion of the test paper corresponds to the <correct pH range color for a 0.1 mol/L sulfuric acid solution>, which should be in the red/orange range (approximately pH 1).

The background is a simple laboratory bench scene, consistent with the background in the image from turn 1.
Domain: Chemistry / ph_measurement

turn: 1
modality: image
input: Generate a single element tile from the periodic table for the element that satisfies the following criteria: It is a nonmetal located in Period 2 and Group 15 (VA). The tile must contain the correct element symbol in the center and the correct atomic number in the top-right corner.
output: evaluation_points: 1. The generated content should resemble a single tile from a standard periodic table in form and layout.

2. The element symbol 'N' must be correctly centered within the tile.

3. The atomic number '7' must be correctly placed in the top-right corner of the tile.

4. The image should be clean, flat in style, and contain only the single periodic table tile with no extraneous content.

turn: 2
modality: text
input: Based on the element symbol and atomic number from the previous image, consider the following: If this element can combine with oxygen atoms (O) to form a substance, and this substance is a colorless, fuming liquid at room temperature that is a strong oxidizing agent and a strong acid, which of the following is the most likely substance formed?

Options:
A. Ammonia (NH3)
B. Nitric Acid (HNO3)
C. Nitrogen Dioxide (NO2)
D. Nitrous Acid (HNO2)
E. None of the above
output: answer: B

turn: 3
modality: text
input: We will now refer to the substance you identified in the previous question as the 'target substance'. To measure the pH of a 0.1 M aqueous solution of this target substance, which of the following reagents or instruments is most appropriate?

Options:
A. Litmus paper (red and blue)
B. Universal pH indicator paper
C. Phenolphthalein indicator solution
D. A beaker of distilled water
E. None of the above
output: answer: B

turn: 4
modality: image
input: Now, using the instrument or reagent you selected in the previous round, depict the result after measuring the pH of a 0.1 M aqueous solution of the target substance. The background should be a simple laboratory bench.
output: evaluation_points: 1. The image must correctly depict a single strip of pH test paper, positioned realistically (e.g., lying flat or held).

2. The wetted portion of the test paper must show a color corresponding to the correct pH range for a 0.1 M nitric acid solution (approximately pH 1). This should be a strong red or orange-red hue on standard universal pH paper.

3. The background must be a simple, uncluttered laboratory bench surface, as required by the current turn's input text.
Domain: Chemistry / precipitation

turn: 1
modality: image
input: Please generate a concise chemical laboratory bench scene: A substance is contained in a <beaker>. The substance must have the following observable appearance: <white, solid, pellets or flakes, opaque, no specific luster>. The background should be a <laboratory environment: bench surface with basic equipment outlines, avoid clutter and text labels>.
output: evaluation_points: 1. The container generated is correct and is indeed a beaker.

2. The color and physical form (pellets/flakes) of the target substance match the description 'white, solid, pellets or flakes'.

3. The substance is correctly contained in the beaker in a suitable quantity, as it is a common solid reagent with no special storage requirements for this depiction.

4. The background is a simple laboratory bench scene.

turn: 2
modality: text
input: Based on the appearance of the substance in the input image, and given that this substance is known to have the following properties: <1. It is highly soluble in water, releasing a significant amount of heat upon dissolution. 2. Its aqueous solution feels slippery to the touch and turns red litmus paper blue.>, which of the following substances is it most likely to be?
Options:
A. Sodium Chloride (NaCl)
B. Calcium Carbonate (CaCO₃)
C. Sulfur (S)
D. Sodium Hydroxide (NaOH)
E. None of the above
output: answer: D

turn: 3
modality: text
input: We refer to the substance you identified in the previous context as the 'target substance'. When a solution of the target substance is prepared, which of the following reagents, upon dropwise addition, will produce a precipitate with the characteristics: <white, gelatinous (amorphous)>?
Options:
A. Dilute Hydrochloric Acid (HCl)
B. Copper(II) Sulfate Solution (CuSO₄)
C. Magnesium Chloride Solution (MgCl₂)
D. Barium Chloride Solution (BaCl₂)
E. None of the above
output: answer: C

turn: 4
modality: image
input: Please generate a test tube containing an appropriate amount of a solution prepared from the target substance. The scene should depict the state after an excess of the reagent you selected in the previous round has been added, until no more precipitate forms. The background is a simple laboratory bench.
output: evaluation_points: 1. The test tube and the volume of liquid are reasonable, with the liquid level at approximately one-third of the tube's height.

2. The color of the precipitate satisfies the description 'white'.

3. The state of the precipitate satisfies the description 'gelatinous (amorphous)'.

4. The solution color is reasonable. After adding an excess of <magnesium chloride solution (MgCl₂)> to the <sodium hydroxide solution (NaOH)>, the final solution should appear <colorless and clear>, as the excess reagent and soluble products are colorless.

The image background is a simple laboratory bench, consistent with the background in Turn 1 input image.
Domain: Chemistry / precipitation

turn: 1
modality: text
input: Which of the following substances are consistent with the description: 'A colorless, odorless, crystalline solid that is highly soluble in water and must be stored in a light-proof container to prevent decomposition'?

Options:
A. Sodium chloride (NaCl)
B. Potassium permanganate (KMnO4)
C. Silver nitrate (AgNO3)
D. Calcium carbonate (CaCO3)
E. Copper(II) sulfate pentahydrate (CuSO4·5H2O)
F. Sodium hydroxide (NaOH)
G. None of the above
output: answer: C

turn: 2
modality: image
input: It is known that the target substance is one of the correct options from the previous question and satisfies the following additional condition: 'This substance decomposes upon exposure to light, turning from colorless to gray or black.' Please generate an image showing this target substance stored correctly in its proper container and placed on a laboratory bench.
output: evaluation_points: 1. The container generated is correct: a brown glass reagent bottle with a stopper or cap.

2. The substance generated is indeed silver nitrate (AgNO3), appearing as colorless or white crystals.

3. The substance is correctly contained within the sealed brown glass bottle, with an appropriate fill level (e.g., half to two-thirds full).

4. The image background is a simple laboratory bench.

turn: 3
modality: text
input: We refer to the substance you identified earlier as the 'target substance'. Adding which of the following reagents to a solution of the target substance will produce a precipitate that is white and curdy (clumpy)?

Options:
A. Dilute hydrochloric acid (HCl)
B. Dilute sodium hydroxide solution (NaOH)
C. Dilute sodium chloride solution (NaCl)
D. Dilute copper(II) sulfate solution (CuSO4)
E. None of the above
output: answer: C

turn: 4
modality: image
input: Please generate a test tube containing an appropriate amount of a solution prepared from the target substance, after an excess of the reagent you selected in the previous round has been added until no more precipitate forms. The background is a simple laboratory bench.
output: evaluation_points: 1. The test tube and liquid volume are reasonable, with the liquid level around one-third of the tube's height.

2. The precipitate color is white.

3. The precipitate state is curdy or clumpy, settled at the bottom of the tube.

4. The solution color is reasonable: after adding excess sodium chloride (NaCl) to silver nitrate (AgNO3) solution, the final supernatant should be colorless and clear.

5. The image background is a simple laboratory bench, consistent with the requirement in the current turn's prompt.