Q.

Is it true that change of liquid water into ice and change of liquid water into steam 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.
When liquid water is allowed to freeze it converts into ice and when this ice is kept outside, it melts due to heat and forms water again. When liquid is heated in a container it forms vapour or steam and if we cover the container with a lid, the vapour converts back into liquid. Thus, changes in the state of water are reversible. Hence, the statement that change of liquid water into ice and change of liquid water into steam is a reversible change is true.
  
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Is it true that change of liquid water into ice and change of liquid water into steam is a reversible change?