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प्रश्न
Chemical reactions are example for
पर्याय
reversible change
irreversible change
both of them
none of them
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उत्तर
Irreversible change
APPEARS IN
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 |
Circle the odd one.
To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
The burning of the paper is an irreversible change.
Touch me not plant: ______:: digestion of food: Irreversible change.
An iron ring is heated. Which of the following statement about it is incorrect?
While lighting a candle, Paheli observed the following changes.
- Wax was melting
- Candle was burning
- Size of the candle was reducing
- Melted wax was getting solidified.
Of the above, the changes that can be reversed are
Give one example of change which occurs on heating but cannot be reversed.
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.
Find the odd one out. Give reason for your choice.
