Question

Write one equestion each for decomposition reaction in which energy in supplied in the form of heat light and electricity.

Answer 1

Answer:Decomposition reaction requiring heat is known as thermal decomposition , CaCO3--------->CaO + CO2. Decomposition reaction requiring light is known as photo chemical decomposition reaction , 2AgCl------->2Ag + Cl2.

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Explanation:

Answer 2

Answer:

heat : CaCO3 (s ) heat CaO ( s ) + CO2 (s )

light : 2AgCl ( s) light 2Ag ( s ) + Cl2 ( g)

electricity : 2H2O ( l) electric current 2H2 (g ) +O2 ( g )

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