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Questions and Answers
What is the nature of the change when milk is left at room temperature during summers?
What is the nature of the change when milk is left at room temperature during summers?
- Chemical change (correct)
- Change in color
- Change in state
- Physical change
What happens when an iron tawa/pan/nail is left exposed to humid atmosphere?
What happens when an iron tawa/pan/nail is left exposed to humid atmosphere?
- Rusting occurs (correct)
- It becomes magnetic
- It gets darker in color
- It becomes lighter
What is the identity of the initial substance that changes when grapes get fermented?
What is the identity of the initial substance that changes when grapes get fermented?
- Alcohol
- Carbon dioxide
- Water
- Sugar (correct)
What type of change occurs when food is cooked?
What type of change occurs when food is cooked?
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What happens when magnesium ribbon is burned and the ash is collected?
What happens when magnesium ribbon is burned and the ash is collected?
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Acid base or salt
Acid base or salt
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