Question

Heating of calcium carbonate is ______ reaction.​

Answer 1

Answer:

it is an example of decomposition reaction

Explanation:

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Answer 2

Answer:

it is an thermal decomposition reaction

Explanation

Calcium carbonate is found naturally in limestone . When limestone is heated strongly, the calcium carbonate it contains absorbs heat (endothermic ) and decomposes to form calcium oxide. Calcium carbonate is heated strongly until it undergoes thermal decomposition to form calcium oxide and carbon dioxide. The calcium oxide (unslaked lime) is dissolved in water to form calcium hydroxide (limewater). Bubbling carbon dioxide through this forms a milky suspension of calcium carbonate.

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