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Question
How is ammonia dried and collected in the laboratory?
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Solution
Ammonia gas is dried by passing through quicklime (CaO) and collected by downward displacement of air.
RELATED QUESTIONS
State one relevant observation for given reactions:
Burning of ammonia in air.
A gas ‘A’ reacts with another gas ‘B’ in the presence of a catalyst to give a colourless gas ‘C’. The gas ‘C’ when comes in contact with air produces a brown gas ‘D’. The solution of ‘A’ in water turns red litmus blue. Explain the observations.
Name the gas evolved in each of the following cases :
Ethene undergoes hydrogenation reaction.
Name the following
Solid obtained by passing ammonia over heated copper oxide
Name the following
An acidic gas which reacts with a basic gas liberating neutral gas.
Why is ammonium hydroxide used in qualitative analysis? Give two equations to justify your answer.
Give balanced equation of :
Action of heat an a mixture of copper an nitric acid
Copy and complete the following equations :
(i) Mg3N2 + 6H2O →
(ii) 2NH3 + 3CuO →
(iii) 8NH3 + 3Cl2 →
(iv) 4NH3 + 5O2 →
Ammonia burns in oxygen, as shown below.
\[\ce{4NH3 + 3O2 -> 2N2 + 6H2O}\]
If 240 cc of ammonia is burnt in 300 cc of oxygen, find out the composition of the resultant gaseous mixture at room temperature.
