Beryllium oxide (BeO) is an amphoteric oxide and thus, it reacts with both acid (HCl) as well as base (NaOH) to give the corresponding products.
i. BeO + 2HCl ⟶ BeCl2 + H2O
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(1) (a) ammonia is less dense than air
(b) solubility in water
(c) 2NH3 + H2SO4 → (NH4)2SO4
(2) (a) Ammonia → because - NH3 is basic while, SO2,HCl and CO2 are acidic oxides.
(b) CuO,...
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