Acid formed when nitrates react with HCl is
nitrous acid
nitric acid
amino acids
none of these
_________ is a powerful oxidising agent.
H2SO4
HNO3
CH3COOH
HCl
Hydrochloric acid reacts with galena to liberate
Chlorine
Sulphur dioxide
Hydrogen sulphide
Nitrogen
Vapour density of HCl acid is
18.25
14.4
17.85
19.25
An acid which is not an oxidising agent is
HCI
None of these
The compound obtained by the reaction of sodium chloride and sulphuric acid at a temperature below 200oC is
Sodium sulphate
Sodium bisulphate
Sodium sulphonate
Sodium sulphide
A colourless solution of AgNO3 gives which colour precipitate with HCl?
white
purple
yellow
red
The salt obtained when rock salt reacts with conc. sulphuric acid below 200oC is which type of salt?
acid
normal
base
amorphous
Two black coloured oxidizing agents which react with concentrated hydrochloric acid to obtain chlorine are
Pb3O4 and MnO2
PbO2 and CuO
MnO2 and CuO
MnO2 and K2Cr2O7
