Chemistry
State one observation for the following : Ammonia gas is passed over heated copper [II] oxide.
Ammonia
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Answer
Black copper [II] oxide is reduced to brown copper.
2NH3 + 3CuO ⟶ 3Cu + 3H2O + N2 [g]
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Give a reason why —
(i) Concentrated sulphuric acid, is not used for drying ammonia gas.
(ii) Ammonia gas is not collected over water.
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