Chemistry
Grade-10
Easy
Question
Which of the following is a chemical change?
- Using chalk
- Water freezing
- Slicing cheese
- Digestion
Hint:
Digestion is a chemical process.
The correct answer is: Digestion
- Using chalk is a physical process, chalk is used up, no new substance formed.
- Water freezing is a state change which can be reverted back.
- Slicing cheese is a physical change where the size and shape of the cheese changes.
- Digestion is a chemical process in which enzymes react with food to change it into absorbable form.
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