The reaction which decomposes after the supply of heat is called ______.

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Solution

Q.
The reaction which decomposes after the supply of heat is called ______.

1 Thermal decomposition

2 Combination reaction

3 Redox reaction

4 Displacement reaction

Ans.
(1)

A thermal decomposition reaction occurs when heat is applied to a compound causing it to decompose (break down) into multiple different chemical substances. An example is when baking soda (sodium bicarbonate) is heated:

$2 N a H C O_{3} (s) \to C O_{2} (g) + H_{2} O (g) + N a_{2} C O_{3} (s)$

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