Name the acid produced when HCl gas is dissolved in water
Sulphuric acid
Hydrochloric acid
Phosphoric acid
Nitric acid
A saturated solution of hydrogen chloride contains
20% by weight of hydrogen chloride
32% by weight of hydrogen chloride
34% by weight of hydrogen chloride
36% by weight of hydrogen chloride
Addition of an iron group to dilute hydrochloric acid results in liberation of hydrogen sulphide gas, is
iron (III) sulphide
iron (II) sulphide
iron pyrites
Iron (II) oxide
_________ is a powerful oxidising agent.
H2SO4
HNO3
CH3COOH
HCl
Which gas is evolved when HCl is added to red lead?
Chlorine
Oxygen
Hydrogen
Sulphur
Hydrogen chloride gas on mixing with ammonia produces dense white fumes due to the formation of
Ammonium hydroxide
Nitrogen
Ammonium chloride
Sulphur dioxide
Why HCl is not collected over water?
Water soluble
Insoluble in water
Water is neutral
Water has pH 7
Which of the following oxidising agent readily oxidised HCl to chlorine?
KNO2
MnO2
AgNO3
NH3
Who prepared HCl by heating common salt 2H2SO4?
Lavoiser
Davy
Rutherford
Glauber
