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प्रश्न
A stretched rubber band comes back to normal shape. It is an example for ________.
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उत्तर
A stretched rubber band comes back to normal shape. It is an example for Reversible changes.
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संबंधित प्रश्न
Long Answer Type Question:
Explain how a metal rim slightly smaller than a wooden wheel can be fixed on it.
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 |
Circle the odd one.
Differentiate reversible and irreversible reactions.
Water on ______ changes to ice and on ______ comes back to water.
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
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.
Ice into water
Choose the odd one out. Give reason for your choice.
