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प्रश्न
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
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उत्तर
Examples of irreversible changes.
- Milk into curd
- Burning of wood
- Ripening of fruits
- Digestion of food
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संबंधित प्रश्न
Magnet attracts iron needle.This is ______ change.
Water changes into ice on cooling is an example of ______.
Rusting of iron is a reversible change.
Differences between
reversible and irreversible changes are:
Touch me not plant: ______:: digestion of food: 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
Give one example of change which occurs on mixing two substances, but cannot be reversed.
A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.
Choose the odd one out. Give reason for your choice.
Choose the odd one out. Give reason for your choice.
