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Q.

The rolling of chapati and baking of chapati are the changes that


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a

Can be reversed

b

Cannot be reversed

c

Can be reversed and cannot be reversed respectively

d

Cannot be reversed and can be reversed respectively  

answer is C.

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Detailed Solution

The rolling of chapati and baking of chapati are the changes that can be reversed and cannot be reversed respectively.
Reversible changes can be reversed; that is, we get the substance back in the original form. Irreversible changes cannot be reversed; that is, we cannot get the substance back in its original form. The rolled chapati can be put back as a dough ball and rolled again. So, rolling of chapati is a change that can be reversed. The chapatti once baked cannot be put back as the uncooked chapati. So, baking chapati is a change that cannot be reversed.
 
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