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प्रश्न
Rolling of chapati and baking of chapati are the changes that ______.
विकल्प
can be reversed.
cannot be reversed.
can be reversed and cannot be reversed, respectively.
cannot be reversed and can be reversed, respectively.
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उत्तर
Rolling of chapati and baking of chapati are the changes that can be reversed and cannot be reversed, respectively.
Explanation:
Rolling of chapati is a physical reversible change because there is no change in the properties of kneaded flour. Once the chapati is baked it cannot be reversed.
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संबंधित प्रश्न
Short Answer Type Question:
What is a physical change? Explain with example.
Long Answer Type Question:
How does curd being set? Is this change reversible?
Burning of match stick is a reversible change.
Give examples to explain the difference between changes that can or cannot be reversed.
Most of the physical 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 heating but can be reversed.
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
Find the odd one out. Give reason for your choice.
