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Study of Compounds : Hydrogen Chloride
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Q.1. An aqueous solution of HCl gas is named.
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1 point
Muriatic acid
Aqua fortis
Aqua regia
Oil of vitriol
Q.2. An acid which is not a monobasic acid.
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1 point
HCl
HCOOH
H2SO4
HNO3
Q.3. An acid which is not an oxidising agent.
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1 point
CH3COOH
H2SO4
HCl
HNO3
Q.4. Hydrogen chloride gas being highly soluble in water is dried by :
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1 point
Anhydrous calcium chloride
Concentrated sulphuric acid
Quick lime
Phosphorous penta oxide
Q.5. A substance which reacts with conc. HCl to liberate chlorine :
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1 point
PbCl2
Pb3O4
PbO2
PbO
Q.6. A metal which reacts with dil HCl to liberate hydrogen.
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1 point
Ag
Zn
Pb
Cu
Q.7. Gas liberated when dil. HCl gas is added to iron (II) sulphide.
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1 point
Hydrogen sulphide gas
Hydrogen gas
Chlorine gas
Carbon dioxide gas
Q.8. Gas liberated when hydrochloric acid reacts with galena.
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1 point
Carbon dioxide
Nitrogen
Hydrogen sulphide
Sulphur dioxide
Q.9. The gases which react chemically to form a solid :
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1 point
NO2(g) and CO2(g)
H2(g) and Cl2(g)
CO2(g) and SO2(g)
NH3(g) and HCl(g)
Q.10. Constant boiling mixtures are known as :
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1 point
Constant compounds
Azeotropes
Woulfe’s compound
Distillators
Q.11. Aqua regia is a mixture of :
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1 point
Concentrated hydrochloric acid and dilute nitric acid
Dilute hydrochloric acid and concentrated nitric acid
Concentrated hydrochloric acid [3 parts] and concentrated nitric acid [1 part]
Concentrated hydrochloric acid [1 part] and concentrated nitric acid [3 parts]
Q.12. The aim of the fountain experiment is to prove that :
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1 point
HCl fumes in moist air
HCl is highly soluble in water
HCl is denser than air
HCl turns blue litmus red
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