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प्रश्न
Give one example of change which occurs on cooling but can be reversed.
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उत्तर
Formation of ice from water is reversible.
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of reversible changes.
Very Short Answer Type Question:
Can you say deforestation is an irreversible or reversible change?
Very Short Answer Type Question:
Some common changes are given in the below Table. Which of these changes do you think can be reversed?
| Change | Can be reversed |
| (i) Raw egg to boiled egg | Yes/No |
| (ii) Batter to idli | |
| (iii) Wet clothes to dirty clothes | |
| (iv) Woollen yarn to knitted sweater | |
| (v) Grain to its flour | |
| (vi) Cold milk to hot milk | |
| (vii) straight string to a cold string | |
| (viii) Bud to flower | |
| (ix) Milk to paneer | |
| (x) Cow dung to biogas | |
| (xi) stretched rubber band to its normal size | |
| (xii) Melting of ice-cream |
Circle the odd one.
Drying of wet clothes in air is an example of
Analogy
Dissolution of glucose : reversible change :: Digestion of food: ___________ change
Most of the physical changes are ______.
Can we reverse the following change? If yes, suggest the name of the method.
Water into water vapour
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
Circle the odd one out. Give a reason for your choice.
