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Question 11 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

Answer» Question 11
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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