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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
Name the following
Solid obtained by passing ammonia over heated copper oxide
Name the following
Solution used to remove fat grease.
Give a balanced chemical equation for the following:
Lab. preparation of ammonia using an ammonium salt.
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?
Complete and balance the equation: CuO(heated) + NH3 →
Write equation for the following:
Burning of ammonia in oxygen.
Write an equation for the following:
Catalytic oxidation of ammonia
- Name the catalyst used in the above equation.
- In the reaction referred to in the above equation, the catalyst glows red hot. Why?
- What is the name of the industrial process which starts with the reaction referred to in the above equation?
The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is ______.
Ranjana wants to prove that ammonia is a reducing agent. To demonstrate this, she passes ammonia gas over heated copper oxide.
Write a balanced chemical equation for the Black copper oxide changes to a reddish brown/pink copper reaction.
