Question

Classify the following changes into Reversible and irreversible change .
I. crumpling of paper.
ii. sawing of wood.
iii. cooking of food.
iv. Ironing of clothes.
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Answer 1

Answer:

Explanation:

(I) Paper can be uncrambled again So it is a reversible change

(II) Sawing of wood is irreversible as you cannot mke wood fromm saw dust again...

(III) Cooking of food is irreversible as you cannot make the raw food from the cooked food

(IV) Ironing Of clothes is reversible

Answer 2

Answer:

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Explanation:

1) crumpling of paper :- Reversible

2) sawing of food :- Irreversible

3) cooking of food :- Irreversible

4) Ironing of clothes :-Reversible