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प्रश्न
Can we reverse the following change? If yes, suggest the name of the method.
Water into water vapour
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उत्तर
Yes, by condensation water vapour can be converted to water.
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of irreversible changes.
Short Answer Type Question:
What is a physical change? Explain with example.
Long Answer Type Question:
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Circle the odd one.
Changes which cannot be reversed are called ______.
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
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Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
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.
