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प्रश्न
Can we reverse the following change? If yes, suggest the name of the method.
Ice into water
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उत्तर
Yes, water can be converted to ice by freezing.
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संबंधित प्रश्न
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 |
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
Periodical removal of one of the products of a reversible reaction increases the yield.
Evaporation of water is a reversible change.
Differences between
reversible and irreversible changes are:
When ‘Touch me not’ plant is touched by us, ______ changes occur.
Which of the following change cannot be reversed?
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
Give one example of change which occurs on heating but can be reversed.
Choose the odd one out. Give reason for your choice.
