Question

writ two change swhich cannot be reversed

Answer 1

(i)Rusting of iron
(ii) Burning of paper

Answer 2

HEYA!

SOLUTION

• THE CHANGES WHICH CANNOT BE REVERSED IS CALLED IRREVERSIBLE CHANGE

THESE ARE SOME IRREVERSIBLE CHANGES

<> Baking of food

<> Cooking of food

<> Rusting of an iron rod

<> Burning of paper

<> Making cheese into yogurt

<> Mixing of vinegar and sodium bicarbonate.

<> Frying of raw egg.

<> Blooming of flowers

<> Melting of wax of candle [ new substance is formed - (wax) on burning candle ]

<> Ripening of fruits

HOPE THIS HELPS

:)