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

Only (i) and (ii)

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Only (ii) and (iii)

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Only (i) and (iii)

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(i), (ii) and (iii)

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Solution

The correct option is A Only (i) and (ii)
Ripening of fruits and fermentation of grapes are chemical changes. These are irreversible and new substances are produced as a result of these. Magnetization of iron is a physical change as no new substances are being formed and it is reversible.

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

The correct option is A Only (i) and (ii)Ripening of fruits and fermentation of grapes are chemical changes. These are irreversible and new substances are produced as a result of these. Magnetization of iron is a physical change as no new substances are being formed and it is reversible.

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

The correct option is A Only (i) and (ii)
Ripening of fruits and fermentation of grapes are chemical changes. These are irreversible and new substances are produced as a result of these. Magnetization of iron is a physical change as no new substances are being formed and it is reversible.