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प्रश्न
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
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उत्तर
Examples of irreversible changes.
- Milk into curd
- Burning of wood
- Ripening of fruits
- Digestion of food
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संबंधित प्रश्न
Match the following.
| Bud to flower | Dr. A.P.J. Abdul Kalam |
| Reversible change | Recyclable waste |
| India 2020 | Organic waste |
| Paper | Melting of ice |
| Vegetables | Irreversible change |
What is reversible change?
Analogy
Dissolution of glucose : reversible change :: Digestion of food: ___________ change
Change is the ______ of a substance from one form to another.
Rusting of iron is a reversible change.
What are irreversible changes?
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
Rolling of chapati and baking of chapati are the changes that ______.
Can we reverse the following change? If yes, suggest the name of the method.
Water into water vapour
Give one example of change which occurs on heating but cannot be reversed.
