(a) Why are decomposition reactions called the opposite of combination reactions ? Explain with equations
of these reactions.
(b) Express the following facts in the form of a balanced chemical equation :
“When a strip of copper metal is placed in a solution of silver nitrate, metallic silver is precipitated and a solution containing copper nitrate is formed”.
Lakhmir Singh Chemistry Class 10
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in combination reaction two or more combines to form one product
in decomposition reaction one reactant is break in two or more product
in decomposition reaction one reactant is break in two or more product
Similar questions
CaCO3=CaO+CO2
Combination reaction are those reaction in which two substance are combined to form a new substance
CaO+CO2=CaCO3+energy
In above examples,both the reaction are same but show opposite direction,so decomposition reaction called the opposite of combination reaction
(B)Cu(s)+2AgNO3(aq)-------Cu(NO3)2(aq)+2Ag(s)