With the help of experiment, show the effect of heat on lime stone.
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Ket's stick to limestone, calcium carbonate. When heated it will decompose to form carbon dioxide and calcium oxide. ... When water is added to calcium oxide the results is an exothermic reaction (heat given off) as the water hydrates the oxide to form a hydroxide by a process of slaking. Hence slaked lime.
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When limestone is heated strongly, the calcium carbonate it contains absorbs heat (endothermic ) and decomposes to form calcium oxide. This is indicated by an orange glow as the limestone is heated.
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