Question

What is decomposition reaction give 2 example of its composition taking place is light
,heat,&electricity
energy

Answer 1

$\huge \mathbb\green{ANSWER!!!}$

The reaction in which substance is breaks down into two or more substance is called decomposition reaction.

EXAMPLES -

Light Decomposition -

• 2AgBr ----> 2Ag + Br2

Heat decomposition -

• CaCO3 ---> CaO + CO2

Electricity Decomposition -

• 2H2O ---> 2H2 + O2

here is your answer.....

Answer 2

(1.) Decomposition on heating

Calcium carbonate when heated gives quicklime (CaO) and carbon dioxide

$CaCO _{3 } →CaO + CO _{2}$

(2.) Decomposition by light

Silver chloride decomposes to silver and chlorine in presence of sunlight

$2AgCl→2Ag+Cl _{2}$

(3). Decomposition by electricity

Water on electrolysis gives hydrogen and oxygen

$2H_{2}</p><p>O→2H_{2} +O _{2}$