Chemistry
Correct the following:
(a) A reddish-brown precipitate is obtained when ammonium hydroxide is added to ferrous sulphate.
(b) Liquid ammonia is a solution of NH3.
(c) Finely divided platinum is used in Haber's Process.
(d) Conc. H2SO4 is a drying agent for NH3.
(e) Ammonium salts, on heating, decompose to give ammonia.
Answer
(a) A dirty green precipitate is obtained when ammonium hydroxide is added to ferrous sulphate.
(b) Aqueous ammonia is a solution of NH3 in water.
(c) Finely divided iron is used in Haber's Process.
(d) Quicklime, is a drying agent for NH3,
(e) Ammonium salts, on heating with caustic alkali, decompose to give ammonia.
Related Questions
An element has 2 electrons in it's N shell. It reacts with a non-metal of atomic number 7. The compound formed reacts with warm water and produces a basic gas. Identify the elements and write the balanced chemical reactions.
The following reactions are carried out
A: Nitrogen + metal ⟶ compound X.
B: X + water ⟶ ammonia + another compound.
C: Ammonia + metal oxide ⟶ metal + water + N2
One metal that can be used for reaction A is magnesium.
(a) Write the formula of the compound X formed
(b) Write the correctly balanced equation for reaction B where X is the compound formed.
(c) What property of ammonia is demonstrated by reaction C ?
Choose the correct from the following:
Ammonia can be obtained by adding water to
A : Ammonium chloride.
B : Ammonium nitrite.
C : Magnesium nitride.
D : Magnesium nitrate
(a) Is ammonia more dense or less dense than air?
(b) What property of ammonia is demonstrated by the Fountain Experiment?
(c) Write the balanced equation for the reaction between ammonia and sulphuric acid.