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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 |
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उत्तर
| Bud to flower | Irreversible change |
| Reversible change | Melting of ice |
| India 2020 | Dr. A.P.J. Abdul Kalam |
| Paper | Recyclable waste |
| Vegetables | Organic waste |
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संबंधित प्रश्न
Chemical reactions are example for
Analogy
Curdling of milk : irreversible change :: Formation of clouds : ________change
Choose the odd one out. Give reason for your choice.
Inflating a balloon, popping a balloon, fading of wall paint, burning of kerosene
Evaporation of water is a reversible change.
Differences between
reversible and irreversible changes are:
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
Give one example of change which occurs on heating but cannot be reversed.
Give one example of change occurs on mixing two substances, but can be reversed.
Choose the odd one out. Give reason for your choice.
