Question

Column II gives type of reaction mentioned in column I, match them correctly.

Answer 1

A displacement reaction is a type of reaction where part of one reactant is replaced by part of another reactant.
$Zn+CuS{O}_4\to ZnS{O}_4+Cu$
A decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds.
$AgBr\stackrel{light}{\to }Ag+Br$
A combination reaction is a reaction in which two reactants combine to form one product.
$C+O_2\to C{O}_2$