The reaction Na2SO4 (aq) + BaCl2 → BaSO4 (s) + 2NaCl (aq) is the example of -
1
Reduction reaction
2
Addition reaction
3
Decomposition reaction
4
Double displacement reaction
The reaction Na2SO4 (aq) + BaCl2 → BaSO4 (s) + 2NaCl (aq) is the example of -