Carbon dioxide is given off by chemical like a)Sodium bicarbonate b)Sodium sulphate c)Calcium sulphate d)Sodium chloride
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a) Sodium bicarbonate is the correct answer
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Carbon dioxide is produced whenever an acid reacts with a carbonate. This makes carbon dioxide easy to make in the laboratory. Calcium carbonate and hydrochloric acid are usually used because they are cheap and easy to obtain. Carbon dioxide can be collected over water, as shown in the diagram.
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