Podcast
Questions and Answers
What happens when milk is left at room temperature during summers?
What happens when milk is left at room temperature during summers?
- It turns sour due to the action of bacteria (correct)
- It becomes colder
- It evaporates completely
- It separates into curd and whey
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?
- It gets rusted due to a chemical reaction with oxygen and moisture (correct)
- It becomes smoother in texture
- It becomes magnetic
- It becomes lighter in weight
What happens when grapes get fermented?
What happens when grapes get fermented?
- They become sweeter
- They become softer
- They change color
- They produce alcohol and carbon dioxide through a chemical reaction (correct)
What happens when food is cooked?
What happens when food is cooked?
What happens when we respire?
What happens when we respire?