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Which of the following are chemical changes? (a) Growth of a plant (b) Rusting of iron (c) Mixing of iron filings and sand (d) Cooking of food (e) Digestion of food (f) Freezing of water (g) Burning of a candle.

Is Matter Around Us Pure

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26/12/2020 6:05 pm

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Trisha Dave

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Which of the following are chemical changes?

(a) Growth of a plant

(b) Rusting of iron

(d) Cooking of food

(e) Digestion of food

(f) Freezing of water

(g) Burning of a candle.

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class 9 cbse ncert is matter around us pure

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26/12/2020 6:06 pm

Arsh01

(@arsh01)

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Chemical changes are:

(a) Growth of a plant

(b) Rusting of iron

(d) Digestion of food

(e) Burning of a candle

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Which of the following are chemical changes? (a) Growth of a plant (b) Rusting of iron (c) Mixing of iron filings and sand (d) Cooking of food (e) Digestion of food (f) Freezing of water (g) Burning of a candle.

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