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प्रश्न
Analogy
Dissolution of glucose : reversible change :: Digestion of food: ___________ change
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उत्तर
Dissolution of glucose: reversible change:: Digestion of food: irreversible change
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of irreversible changes.
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 |
A stretched rubber band comes back to normal shape. It is an example for ________.
Circle the odd one.
Magnet attracts iron needle.This is ______ change.
When a candle is lit the following changes are observed.
- Wax melts.
- Candle keeps burning.
- The size of the candle decreases.
- The molten wax solidifies
- Which of the changes can be reversed? Justify your answer
Give examples to explain the difference between changes that can or cannot be reversed.
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
Can we reverse the following change? If yes, suggest the name of the method.
Ice into water
Can we reverse the following change? If yes, suggest the name of the method.
Curd into milk
