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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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