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प्रश्न
A gas ‘P’ gives dense white fumes with chlorine. Its aqueous solution gives a blue colour with copper (II) hydroxide.
- Name the gas P.
- Give its formula.
- Give three uses of P.
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उत्तर
(a) The gas is ammonia.
(b) The formula is NH3.
(c) Uses of ammonia:
- It is used in the industrial preparation of nitric acid by Ostwald process.
- It is used in the manufacture of fertilizers such as ammonium sulphate, ammonium nitrate, and ammonium phosphate.
- It is used in the manufacture of sodium carbonate by the Solvay process.
\[\ce{NaCl + NH3 + CO2 + H2O → NaHCO3 + NH4Cl}\]
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संबंधित प्रश्न
The equation 4NH3 + 5O2 → 4NO + 6 H2O, represents the catalytic oxidation of ammonia. If 100 cm3 of ammonia is used calculate the volume of oxygen required to oxidize the ammonia completely
Name the following
Gas obtained by treating chlorine in excess of ammonia.
Name the following
Substance used to dry ammonia
Name the following
Indicator that turns deep pink when treated with NH4OH.
Name the substance used for drying ammonia gas? Why cannot substances such as conc.H2SO4, anhydrous calcium chloride and phosphorus pentoxide be used for drying ammonia gas?
Give balanced reactions for the following conversion:
Ammonia to ammonium carbonate.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
Pb(NO3)2
Copy and complete the following equation:
\[\ce{Mg3N2 + 6H2O ->}\]
How is ammonia dried and collected in the laboratory?
