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प्रश्न
Give balanced chemical equations for each of the following:
Lab preparation of ammonia using an ammonium salt
उत्तर
\[\ce{2NH4Cl + Ca(OH)2 ->[CaO][\Delta] 2NH3_{(g)} + CaCl2 + 2H2O}\]
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संबंधित प्रश्न
State the conditions required for the given reaction to take place:
Catalytic oxidation of ammonia to nitric oxide
Name the gas obtained when ammonia burns in an atmosphere of oxygen without any catalyst.
Name the gas evolved in each of the following cases :
Ethene undergoes hydrogenation reaction.
Name the following
An acidic gas which reacts with a basic gas liberating neutral gas.
Certain blank spaces are left in the following table and these are labelled as A,B,C,Da and E. Identify each of then
|
1 |
HCl gas |
NaCl + H2SO4 |
A = ________ |
Conc.H2SO4 |
B = ___ |
|
2 |
NH3 gas |
C = ____ |
Mg(OH)2NH3 |
D = ______ |
E = ___ |
Give balanced reactions for the following conversion:
Ammonia to nitrogen using oxygen.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
CuSO4
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?
The catalyst used in the oxidation of ammonia is ______.
