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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 |
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
Differentiate reversible and irreversible changes.
Drying of wet clothes in air is an example of
To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
Evaporation of water is a reversible change.
The blackening of the Silver anklet is a (an) ______.
Touch me not plant: ______:: digestion of food: Irreversible change.
Give one example of change occurs on mixing two substances, but can be reversed.
Conversion of ice into water and water into ice is an example of change which can be reversed. Give four more examples where you can say that the changes can be reversed.
Paheli mixed flour and water and
- made a dough,
- rolled the dough to make a chapati,
- baked the chapati on a pan,
- dried the chapati and ground it in a grinder to make powder.
Identify the changes (i) to (iv) as the changes that can be reversed or that cannot be reversed.
Choose the odd one out. Give reason for your choice.
