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प्रश्न
Conversion of ice into water and water into ice is an example of change which can be reversed. Give four more examples where you can say that the changes can be reversed.
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उत्तर
Examples of reversible changes.
- Melting of wax
- Folding of a paper
- Inflating a tyre or balloon
- Knitting of a sweater
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संबंधित प्रश्न
Short Answer Type Question:
What happens when sugar is heated?
Long Answer Type Question:
How does curd being set? Is this change reversible?
Chemical reactions are example for
Analogy
Dissolution of glucose : reversible change :: Digestion of food: ___________ change
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
Touch me not plant: ______:: digestion of food: Irreversible change.
Pick the change that can be reversed from the following.
Give one example of change which occurs on heating but cannot be reversed.
Choose the odd one out. Give a reason for your choice.
Choose the odd one out. Give reason for your choice.
