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

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

Grade:12th pass

1 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
3 years ago
A chemical change is a change that brings a change in the chemical properties of matter and a new substance is formed.
Examples of chemical changes from the given list of changes are:
Growth of a plant, Rusting of iron, Cooking of food, Digestion of food, and Burning of a candle.

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