Who prepared HCl by heating common salt 2H2SO4?
Lavoiser
Davy
Rutherford
Glauber
Why HCl is not collected over water?
Water soluble
Insoluble in water
Water is neutral
Water has pH 7
The MF of hydrogen chloride is
HF
HCl
HBr
H2O
Name the has evolved when Pb3O4 heated with concentrated HCl
H2
O2
Cl2
N2
Which on treatment with HCl leaves a yellow residue behind?
Na2S2O3
Na2SO4
NaCl
Na2S
Which of the following oxidising agent readily oxidised HCl to chlorine?
KNO2
MnO2
AgNO3
NH3
HCl gas is dried through
H2SO4
HNO3