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

turn: 1
modality: image
input: Please generate a concise chemical laboratory bench scene: A substance is contained in a <wide-mouth reagent bottle>. The substance must have the following observable appearance: <white, solid, fine powder, opaque>. The background should be a <laboratory environment: bench surface 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 wide-mouth reagent bottle.

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

3. The substance is properly contained in the bottle 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 has a low solubility in water, forming a slightly alkaline aqueous suspension. 2. Its saturated aqueous solution can turn phenolphthalein indicator pink. 3. It reacts with acids to form a salt and water.>, please select from the following options the substance it most likely is:

A. Sodium Carbonate (Na2CO3)
B. Calcium Hydroxide (Ca(OH)2)
C. Sodium Chloride (NaCl)
D. Magnesium Oxide (MgO)
E. None of the above
output: answer: B

turn: 3
modality: image
input: Please generate a test tube containing a solution prepared from the target substance you identified earlier. After adding reagent B = <sodium carbonate solution (Na2CO3)>, a precipitate appears inside the test tube. Describe the precipitate by its appearance characteristics: <white, fine, powdery precipitate>. The background is a laboratory bench.
output: evaluation_points: 1. The test tube and liquid volume are reasonable, filling about one-third of the tube.

2. The precipitate color is white, as described.

3. The precipitate state is fine and powdery, as described.

4. The solution color is reasonable; after the precipitation reaction, the solution should appear colorless and clear.

The image background is a simple laboratory bench, consistent with the background in the input image of turn 1.

turn: 4
modality: text
input: Based on the precipitation phenomenon in the input image, if an 'excess' of reagent C = <dilute hydrochloric acid (HCl)> is added and the state of the reagents is allowed to stabilize, the most likely observable phenomenon is:

A. The white precipitate dissolves completely, resulting in a colorless, clear solution.
B. The white precipitate changes color to blue.
C. The white precipitate remains unchanged, and gas bubbles are released.
D. The white precipitate dissolves partially, and the solution turns yellow.
E. None of the above
output: answer: A
Domain: Chemistry / precipitation

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: <blue crystalline solid, possibly with a slight vitreous luster>. The background should be a <laboratory environment with a bench and basic equipment outlines, avoiding clutter and text labels>.
output: evaluation_points: 1. The generated container is correct and is indeed a beaker.

2. The color and appearance (crystalline solid) of the target substance match the description 'blue crystalline solid'.

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 has the following properties: <1. It is soluble in water, forming a blue solution. 2. It is commonly used as a fungicide and algaecide in agriculture and water treatment. 3. It can undergo dehydration upon heating to form a white powder.>, please select the substance it most likely is from the following options:

A. Potassium permanganate (KMnO4)
B. Copper(II) sulfate pentahydrate (CuSO4·5H2O)
C. Sodium chloride (NaCl)
D. Iron(III) oxide (Fe2O3)
E. None of the above
output: answer: B

turn: 3
modality: image
input: Please generate a test tube containing an aqueous solution prepared from the target substance you identified earlier. After adding reagent B = <sodium hydroxide solution (NaOH, aq.)> dropwise, a precipitate forms inside the test tube. Describe the precipitate by its appearance: <a pale blue, gelatinous precipitate>. The background is a laboratory bench.
output: evaluation_points: 1. The test tube and liquid volume are reasonable, filled to about one-third of the tube.

2. The precipitate color is pale blue, as described.

3. The precipitate state is gelatinous, as described.

4. The solution color is reasonable; after the precipitation reaction, the solution should appear colorless or very pale blue.

The image background is a simple laboratory bench, consistent with the background in Turn 1 output image.

turn: 4
modality: text
input: Based on the precipitation phenomenon observed in the input image, if an 'excess' of reagent C = <concentrated aqueous ammonia (NH3·H2O)> is added and the mixture is allowed to stabilize, the most likely observation is:

A. The pale blue precipitate dissolves completely, forming a deep blue, transparent solution.
B. The pale blue precipitate changes color to a brick-red solid.
C. The pale blue precipitate remains unchanged, settling at the bottom.
D. The pale blue precipitate dissolves, and a colorless gas is evolved.
E. None of the above
output: answer: A
Domain: Chemistry / precipitation

turn: 1
modality: image
input: Generate a concise chemical laboratory bench scene: A substance is contained in a beaker. The substance must have the following observable appearance: blue, solid, crystalline, with a translucent or vitreous luster. The background should be a laboratory environment with a bench and basic equipment outlines, avoiding 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 (crystalline) of the target substance match the description 'blue, solid, crystalline'.

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

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 also has the following properties: (1) It is soluble in water to form a blue solution. (2) It loses its water of crystallization upon heating to become a white powder. (3) It is commonly used as a fungicide and in electroplating baths. Which of the following substances is it most likely to be?
Options:
A. Cobalt(II) chloride hexahydrate (CoCl2·6H2O)
B. Copper(II) sulfate pentahydrate (CuSO4·5H2O)
C. Nickel(II) sulfate hexahydrate (NiSO4·6H2O)
D. Anhydrous calcium sulfate (CaSO4)
E. None of the above
output: answer: B

turn: 3
modality: text
input: We refer to the substance you identified in the previous question as the 'target substance'. Which reagent, when added dropwise to a solution prepared from this target substance, will produce a precipitate with the following characteristics: a pale blue, gelatinous or flocculent precipitate?
Options:
A. Dilute hydrochloric acid (HCl, aq)
B. Sodium hydroxide solution (NaOH, aq)
C. Barium chloride solution (BaCl2, aq)
D. Silver nitrate solution (AgNO3, aq)
E. None of the above
output: answer: B

turn: 4
modality: image
input: Generate a test tube containing a moderate amount of 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 about one-third of the tube's height.

2. The color of the precipitate is pale blue.

3. The state of the precipitate is gelatinous or flocculent.

4. The solution color is reasonable. After adding excess sodium hydroxide solution to a copper(II) sulfate solution and completing the precipitation reaction, the supernatant should be colorless or a very faint blue.

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

turn: 1
modality: image
input: Generate a concise chemical laboratory bench scene: A substance is contained in a beaker. The substance must have the following observable appearance: a yellow to brownish-yellow crystalline solid. The background should be a laboratory environment: a bench surface 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 beaker.

2. The color and appearance (crystalline solid) of the target substance conform to 'yellow to brownish-yellow crystalline solid'.

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

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, forming a strongly acidic solution. (2) Its aqueous solution exhibits a characteristic color reaction with potassium thiocyanate (KSCN), turning blood-red. (3) It is deliquescent in air. Which of the following substances is it most likely to be?

Options:
A. Copper(II) sulfate pentahydrate (CuSO4·5H2O)
B. Sodium chloride (NaCl)
C. Iron(III) chloride (FeCl3)
D. Potassium permanganate (KMnO4)
E. None of the above
output: answer: C

turn: 3
modality: image
input: Generate a test tube containing an aqueous solution of the target substance you identified in the previous turn. After adding reagent B = Sodium hydroxide solution (NaOH), a precipitate forms inside the test tube. The precipitate appears as a reddish-brown, gelatinous solid. The background is a laboratory bench.
output: evaluation_points: 1. The test tube and liquid volume are reasonable, with the liquid level at about one-third of the tube's height.

2. The color of the precipitate satisfies 'reddish-brown'.

3. The state of the precipitate satisfies 'gelatinous solid'.

4. The solution color is reasonable. After the precipitation reaction, the solution should appear colorless or very pale yellow.

The image background is a simple laboratory bench, consistent with the background in the input image of turn 1.

turn: 4
modality: text
input: Based on the precipitation phenomenon shown in the input image, if an 'excess' of reagent C = Sodium hydroxide solution (NaOH) is added and the mixture is allowed to stabilize, what is the most likely observation?

Options:
A. The reddish-brown precipitate dissolves completely, resulting in a colorless, clear solution.
B. The reddish-brown precipitate changes color to a deep blue solid.
C. The reddish-brown precipitate remains unchanged in both color and amount.
D. The reddish-brown precipitate dissolves partially, leaving a smaller amount of a black solid.
E. None of the above
output: answer: C
Domain: Chemistry / precipitation

turn: 1
modality: image
input: Generate a concise chemical laboratory bench scene: A substance is contained in a beaker. The substance must have the following observable appearance: pale green, solid, crystalline, with a slight vitreous luster. The background should be a laboratory environment: a bench surface with basic equipment outlines, avoiding clutter and text labels.
output: evaluation_points: 1. The generated container is correct and is indeed a beaker.

2. The color and appearance (pale green, crystalline) of the target substance match the described morphological features.

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

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 soluble in water, forming a pale green solution. (2) It is a reducing agent and can be oxidized in air. (3) It is commonly used as a coagulant in water treatment. Which of the following substances is it most likely to be?
Options:
A. Copper(II) Sulfate Pentahydrate (CuSO4·5H2O)
B. Sodium Chloride (NaCl)
C. Iron(II) Sulfate Heptahydrate (FeSO4·7H2O)
D. Potassium Permanganate (KMnO4)
E. None of the above
output: answer: C

turn: 3
modality: image
input: Generate a test tube containing an aqueous solution of the target substance you identified earlier. After adding reagent B = Sodium Hydroxide Solution (NaOH, aq), a precipitate forms inside the test tube. Describe the precipitate by its appearance: a dirty green (or greenish-brown) gelatinous precipitate. The background is a laboratory bench.
output: evaluation_points: 1. The test tube and liquid volume are reasonable, filled to about one-third of its height.

2. The precipitate color is dirty green (or greenish-brown).

3. The precipitate state is gelatinous.

4. The solution color is reasonable; after the precipitation reaction, the solution should appear colorless or very pale.

The image background is a simple laboratory bench, consistent with the background of the image from turn 1.

turn: 4
modality: text
input: Based on the precipitation phenomenon in the input image, if an 'excess' of reagent C = Dilute Hydrochloric Acid (HCl, aq) is added and the system is allowed to stabilize, what is the most likely observation?
Options:
A. The precipitate dissolves completely, resulting in a clear, colorless solution.
B. The precipitate changes color to a deep blue.
C. The precipitate remains unchanged, and gas bubbles are released.
D. The precipitate transforms into a red-brown solid.
E. None of the above
output: answer: A
Domain: Chemistry / specific_color_reaction

turn: 1
modality: text
input: Which of the following substances are consistent with the description: 'A solid substance at room temperature, exhibiting a characteristic dark color, and possessing significant volatility under ambient conditions'?
Options:
A. Potassium permanganate (KMnO4) crystals
B. Sulfur (S8) powder
C. Iodine (I2) crystals
D. Sodium chloride (NaCl) crystals
E. Copper(II) sulfate pentahydrate (CuSO4·5H2O) crystals
F. Calcium carbonate (CaCO3) powder
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 must be stored in a tightly sealed, light-resistant container to prevent sublimation and color change.' Please generate an image depicting this target substance stored correctly in its appropriate container and placed on a laboratory bench.
output: evaluation_points: 1. The container generated in the image is correct: a tightly sealed, amber or opaque glass bottle with a secure stopper or cap.

The substance generated is indeed iodine crystals, exhibiting a dark grayish-purple to black metallic luster and a crystalline or flaky solid form, consistent with the description from turn 1: 'A solid substance at room temperature, exhibiting a characteristic dark color, and possessing significant volatility under ambient conditions'.

3. The crystals are contained within the sealed bottle, with an appropriate fill level (e.g., half to three-quarters full). The bottle is clearly depicted as being sealed to prevent sublimation.

The background is a simple, uncluttered laboratory bench scene.

turn: 3
modality: image
input: We will subsequently refer to the substance you identified earlier as the 'target substance'. It is known that the target substance undergoes a distinctive color reaction with a 1% aqueous starch solution. Please generate a typical experimental setup showing the phenomenon of this reaction, with a simple laboratory bench as the background.
output: evaluation_points: 1. The test tube or beaker is generated to standard proportions, with a reasonable liquid volume (e.g., a few milliliters of a pale yellow or brown iodine solution).

2. The core color phenomenon is accurate: upon addition of the starch solution, the mixture turns a deep, intense blue-black or blue-violet color.

The background is a simple, uncluttered laboratory bench scene, consistent with the background requirement from turn 2.
Domain: Chemistry / specific_color_reaction

turn: 1
modality: text
input: Among the following substances, which ones are white or colorless crystalline solids at room temperature, readily soluble in water, and have a sweet taste? (Select all that apply)
A. Sodium chloride (NaCl)
B. Sucrose (C12H22O11)
C. Calcium carbonate (CaCO3)
D. Glucose (C6H12O6)
E. Sulfur powder (S)
F. Copper(II) sulfate pentahydrate (CuSO4·5H2O)
G. None of the above
output: answer: BD

turn: 2
modality: image
input: It is known that the target substance is one of the correct options from the previous question. Furthermore, this substance is a carbohydrate that is hygroscopic and should be stored in a sealed container to prevent clumping. Please generate an image showing this target substance stored correctly in its appropriate container and placed on a laboratory bench.
output: evaluation_points: 1. The container generated in the image is correct; it is indeed a sealed glass reagent bottle with a screw cap or a ground glass stopper.

The substance generated in the image is indeed glucose, appearing as a white or colorless, fine crystalline powder.

3. The substance is correctly contained within the sealed bottle, and the fill level is appropriate (e.g., bottle is about half to three-quarters full).

4. The background is a simple laboratory bench scene.

turn: 3
modality: text
input: We will refer to the substance you identified earlier as the 'target substance'. When an aqueous solution of the 'target substance' is mixed with reagent X, a brick-red precipitate is observed. Reagent X is most likely:
A. Fehling's reagent (alkaline solution of copper(II) tartrate complex)
B. Tollens' reagent (ammoniacal silver nitrate solution)
C. Iodine solution (I2 in KI)
D. Bromine water (Br2(aq))
E. None of the above
output: answer: A
Domain: Chemistry / specific_color_reaction

turn: 1
modality: image
input: Generate a concise chemical laboratory bench scene: A substance is contained in a reagent bottle. The substance must have the following observable appearance: colorless or white, solid, crystalline or needle-like, possibly with a slight sheen. The background should be a simple laboratory bench environment with basic equipment outlines, avoiding clutter and text labels.
output: evaluation_points: 1. The generated container is correct and is indeed a reagent bottle.

2. The target substance's color (colorless/white) and appearance (crystalline/needle-like solid) match the described morphological features.

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

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 has the following properties: (1) It is slightly soluble in water at room temperature but highly soluble in organic solvents like ethanol and ether. (2) It has a characteristic, somewhat sweet, medicinal odor. (3) It is a weak acid and can react with strong bases. Which of the following substances is it most likely to be?

Options:
A. Benzoic Acid (C6H5COOH)
B. Sodium Chloride (NaCl)
C. Phenol (C6H5OH)
D. Glucose (C6H12O6)
E. None of the above
output: answer: C

turn: 3
modality: image
input: We will subsequently refer to the substance you guessed in the previous text as the 'target substance'. It is known that the target substance undergoes a specific color reaction with a dilute aqueous solution of ferric chloride (FeCl3). Please generate a typical experimental phenomenon diagram of this reaction, with a simple laboratory bench as the background.
output: evaluation_points: 1. The test tube/container is generated correctly, with a reasonable liquid volume.

2. The core color phenomenon is accurate (the color is a distinct violet or purple color, consistent with the characteristic phenomenon).

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

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 symbol of the substance is strictly prohibited>. The background should be a <laboratory environment: bench surface, outlines of basic equipment only, avoid clutter and text labels>.
output: evaluation_points: 1. The generated container is correct and is indeed a <watch glass>.

The color and appearance of the target substance (silvery-gray, metallic luster, solid lumps) conform to the description provided in the input text: 'silvery-gray, solid, lumpy, with a metallic luster'.

3. The substance is correctly placed on the watch glass in a suitable quantity (a few small lumps).

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 a good conductor of electricity and heat. 2) It is attracted to a magnet. 3) It readily reacts with dilute acids to produce a colorless gas. Please select the substance this most likely is from the following options:

A. Copper (Cu)
B. Sulfur (S)
C. Aluminum (Al)
D. Iron (Fe)
E. None of the above
output: answer: D

turn: 3
modality: text
input: We will subsequently refer to the substance you identified in the previous question as the 'target substance'. When a <sample form and treatment: 'acidified aqueous solution' (e.g., using dilute hydrochloric acid)> of the 'target substance' is mixed with reagent X, a <specific color reaction phenomenon: deep blood-red color> is observed. What is reagent X most likely to be?

A. Sodium Hydroxide Solution (NaOH, aq)
B. Potassium Thiocyanate Solution (KSCN, aq)
C. Barium Chloride Solution (BaCl2, aq)
D. Silver Nitrate Solution (AgNO3, aq)
E. None of the above
output: answer: B