Q.

Is it true that  Physical change is a reversible change?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is true.
A change is said to be reversible when it can be changed back into its original form. Chemical change is said to occur when a new substance is formed. Chemical changes are mostly irreversible in nature. In a physical change no new substance is produced. Since no new chemical substance is formed in a physical change, therefore physical changes are reversible.
    
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