which of the following are chemical changes? A) Cooking of Food B) Digestion of Food C) Freezing of water D) Water is heated up

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Question:which of the following are chemical changes? A) Cooking of Food B) Digestion of Food C) Freezing of water D) Water is heated up

1.A & B

2.A B & C

3.C & D

4.All the above

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  1. which of the following are chemical changes? A) Cooking of Food B) Digestion of Food C) Freezing of water D) Water is heated up
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