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प्रश्न
To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
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उत्तर
Yes. The length of the dress can again be increased by unfolding it. Hence, this change can be reversed.
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 |
Analogy
Dissolution of glucose : reversible change :: Digestion of food: ___________ change
A drawing sheet changes when you draw a picture on it. Can you reverse this change?
Most of the physical changes are ______.
The burning of the paper is an irreversible change.
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
Salt can be separated from its solution (salt dissolved in water), because ______.
A piece of iron is heated till it becomes red-hot. it then becomes soft and is beaten to a desired shape. What kind of changes are observed in this process-reversible or irreversible?
Can we reverse the following change? If yes, suggest the name of the method.
Water into water vapour
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
