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प्रश्न
Write balanced chemical equations for the following:
An equation to illustrate the reducing nature of ammonia.
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उत्तर
`3PbO + 2NH_3 -> 3Pb + 3H_2O + N_2`
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संबंधित प्रश्न
Ammonia solution in water gives a blue precipitate when it combines with a solution of copper salt. The blue precipitate further dissolves in excess of an ammonia solution to give the azure blue solution. Explain with the equation.
Name the gas obtained when ammonia burns in an atmosphere of oxygen without any catalyst.
Copy and complete the following table which refers to the industrial method for the preparation of ammonia and sulphuric acid:
| Name of the compoun | Name of the process | Catalytic equation (with the catalyst) |
| Ammonia | (i)__________ | (ii) __________ |
| Sulhuric acid | (iii) ___________ | (iv) __________ |
Give a balanced chemical equation for the following:
Lab. preparation of ammonia using an ammonium salt.
Differentiate between:
Reaction of excess ammonia with chlorine and NH3 with excess chlorine
Industrially, ammonia is obtained by direct combination of nitrogen and hydrogen.
(i) Write balanced equation for the direct combination of nitrogen and hydrogen.
(ii) Which of the metals - iron, platinum, copper - catalyse this direct combination?
(iii) Is the formation of ammonia promoted by high pressure or low pressure?
A compound which undergoes thermal dissociation.
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.
