Question

Identify the chemical changes in the list:
(i) Ripening of fruits
(ii) Fermentation of grapes
(iii) Magnetization of iron

A

Only (i) and (ii)

B

Only (ii) and (iii)

C

Only (i) and (iii)

D

(i), (ii) and (iii)

Hard

Solution

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Correct option is A)

Ripening of fruits and fermentation of grapes are chemical changes. These are irreversible and new substances are produced. Magnetization of iron is a physical change as no new substances are being formed and it is reversible.

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