Question

which of the following reaction is displacement reaction?
(a) zn+H2SO4 gives znSO4+H2

(b)Mg+O2 gives 2MgO

(c) Na2SO4+ BaCl2 gives BaSO4 + NaCl​

Answer 1

Answer:

A) zn+H2so4 gives ZnSO4 + H2

Explanation:

Displacement reaction is a reaction in which one element displaces the another from its salt solution. Here H2SO4 is the salt solution and Zinc is displacing hydrogen.