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प्रश्न
Circle the odd one.
विकल्प
Vegetables
Flowers
Fruits
Chemicals
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उत्तर
Chemicals
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of reversible changes.
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 |
Circle the odd one.
Magnet attracts iron needle.This is ______ change.
When ‘Touch me not’ plant is touched by us, ______ changes occur.
Which of the following changes cannot be reversed?
- Blowing of a balloon
- Folding paper to make a toy aeroplane
- Rolling a ball of dough to make roti
- Baking cake in an oven
- Drying a wet cloth
- Making biogas from cow dung
- Burning of a candle
Give one example of change which occurs on heating but can be reversed.
A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.
Find the odd one out. Give reason for your choice.
