Domain: Chemistry / daily_chemistry

turn: 1
modality: text
input: Which of the following substances are white solids at room temperature, soluble in water, and decompose upon heating to release a colorless gas? (Select all that apply)

A. Sodium chloride (NaCl)
B. Sodium bicarbonate (NaHCO₃)
C. Calcium carbonate (CaCO₃)
D. Potassium permanganate (KMnO₄)
E. None of the above
output: answer: B

turn: 2
modality: image
input: The target substance is one of the correct options from the previous question. It is a white powder that must be stored in a sealed container to prevent it from absorbing moisture from the air. 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, specifically a wide-mouth glass reagent bottle with a screw cap or a plastic container with a tight-fitting lid, suitable for storing a white powder that must be protected from atmospheric moisture.

2. The substance generated in the image is indeed sodium bicarbonate (NaHCO₃), appearing as a fine, white, crystalline powder, consistent with the description in the prompt.

3. The substance is correctly contained within the bottle, with the cap securely fastened to indicate protection from atmospheric moisture. The bottle is about half to two-thirds full, showing an appropriate quantity.

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

turn: 3
modality: text
input: Based on the previous identification, the target substance is commonly used as the primary active or core functional ingredient in which of the following household products?

A. Drain cleaner (for dissolving clogs)
B. Baking soda (as a leavening agent)
C. Bleach (for disinfection and whitening)
D. Antacid tablets (for neutralizing stomach acid)
E. None of the above
output: answer: B

turn: 4
modality: image
input: Please generate a realistic household scene: using the correct household product from the previous question (baking soda) to treat a dirty, greasy stovetop surface. The image should naturally show an observable change during the cleaning process.
output: evaluation_points: 1. The scene depicted matches the described 'household kitchen' setting, with a stovetop as a reasonable target for cleaning.

2. The scene correctly features a box or container of baking soda (the correct household product from Turn 3), and it is being used in a common way: either sprinkled as a powder directly onto the greasy surface or applied as a paste mixed with water.

3. There is a clear, observable change during the process. For example: a portion of the greasy residue on the stovetop is visibly being lifted, dissolved, or foaming slightly (if water is present), creating a cleaner patch compared to the surrounding untreated, greasy area.

turn: 5
modality: text
input: Based on the household phenomenon shown in the input image (cleaning with baking soda) and your previous judgment, which of the following is the correct chemical reaction equation for the core process when this substance is used as a leavening agent in baking (upon heating)?

A. NaHCO₃(s) → NaOH(s) + CO₂(g)
B. 2NaHCO₃(s) → Na₂CO₃(s) + H₂O(g) + CO₂(g)
C. NaHCO₃(s) + HCl(aq) → NaCl(aq) + H₂O(l) + CO₂(g)
D. NaHCO₃(s) + CH₃COOH(aq) → CH₃COONa(aq) + H₂O(l) + CO₂(g)
E. None of the above
output: answer: B