Question

| (4)
(
(iv)
()
Mg + H,80. → MgSO, + H,
HCl + NaOH + NaCl + H2O
4HNO, 4NO, + 2H,0 +0,
Baci, + H So, 2HCl + Baso.
2Fe + 301, + 2FeCl,​

Answer 1

actually it is very hard