Question

Give an example of Double displacement reaction.

Identify the substances that are oxidized and the substances that are reduced in the

following reaction.

(i) 4Na(s) + O2(g) → 2Na2O(s)

(ii) CuO (s) + H2(g) → Cu(s) +H2O (l)​

Answer 1

Answer:

example of double displacement reaction:

BaCl2 (aq) + Na2SO4 (aq) =BaSO4 + NaCl