Question

classify the following reactions into different types. (i) AgNO3(aq) +NaCl(aq) ---- AgCl(s) + NaNO3(aq)(ii) CaO(s) + H2O(l) ---- Ca(OH)2(aq) (iii) 2KClO3(s) ----2KCL(aq) + 3O2(g) (b) which of the following reaction are precipitation reaction(s)? why is a reaction called precipitation reaction?

Answer 1

Explanation:

1) double displacement/ precipitation

2) combination reaction

3) decomposition reaction

b) 1 is a precipitation reactions.

this is called a precipitation reaction because a precipitate is formed in the products i.e. NaNO3