please answer these questions
Answers
Answer:
Q-2 The changes that can be reversed are :-
1. Melting
2. Freezing
3. Boiling
4. Evaporation
5. Wetting of hairs
Q-3 The changes that can't be reversed are:-
1. Corrosion
2. Rusting
3. Ripening of fruits and veggies
4. Cooking of food
Explanation:
IN FIRST QUESTION THE CHANGES ARE THOSE CHANGES WHICH CAN BE REVERSED LIKE MELTED THING CAN BE FREEZED, FREEZED THINGS CAN BE MELTED AGAIN, EVAPORATION IS CONTINUOUSLY DONE OR IS EVAPORATED THEN CONDENSED AGAIN AND THEN AGAIN EVAPORATED, WET HAIRS CAN BE DRIED BY A DRYER OR BY STANDING IN A HOT PLACE AND THEN AGAIN CAN BECOME WET BY WATER
IN QUESTION 2 CORROSION, RUSTING, RIPENING OF THE FRUITS AND VEGGIES, COOKING OF FOOD. THESE ALL ARE IRREVERSIBLE AS THEY ARE HAVING CHANGES IN CHEMICAL COMPOSITION AS THEY ATE HAVING CHANGES IN COLOUR, FRAGRANCE AND ETC.
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