1(i)
Acid + Metal oxide on reaction gives:
- (a)base + water
- (b)salt + water
- (c)base + salt
- (d)metal + salt
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salt + water
Reason — A metal oxide is basic in nature. When it reacts with an acid, neutralisation takes place to give a salt and water only.
CuO + H2SO4 ⟶ CuSO4 + H2O