Write one equation each for decomposition reactions where energy … - Vidyadip

Question

Write one equation each for decomposition reactions where energy is supplied in the form of heat, light or electricity.

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Answer

Decomposition by heat:
$CaCO_3(s) \xrightarrow[\Delta]{\text { Heat }} CaO(s)+CO_2(g)$
Decomposition by light:
$2 AgCl(s) \xrightarrow{\text { Sunlight }} 2 Ag(s)+Cl_2(g)$
Decomposition by electricity:
$2 H_2 O(l) \xrightarrow{\text { Electrolysis }} 2 H_2(g)+O_2(g)$

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