Question

Name the type of chemical reaction represented by the follwing equition . 1)caco3 (s) ----- caO(s)+co2(g) 2)caO(s) + H2O(l)----- ca(OH)2 (aq) 3)Zn(s) + H2SO4-----ZnSO4(aq) + H2(g)

Answer 1

 1)CHEMICAL DECOMPOSITION REACTION
2) chemical displacement