Question

DEFINE THERMAL DECOMPOSITION REACTION . GIVE EXAMPLES.​

Answer 1

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➡Thermal Decomposition:-

When a decomposition reaction is carried out by heating, it's called 'Thermal Decomposition'.

Examples =

• $\small\sf{Pb(NO3)2}$$\longrightarrow$$\small\sf{PbO}$ + $\small\sf{NO2}$ + $\small\sf{O2}$

• $\small\sf{2FeSO4}$$\longrightarrow$$\small\sf{Fe2O3}$ + $\small\sf{SO2}$ + $\small\sf{SO3}$

Answer 2

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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. 2NaHCO3(s)→CO2(g)+H2O(g)+Na2CO3(s)