Hydrogen chloride gas gives white precipitate with:
Silver nitrate and lead nitrate
Sodium nitrate and aluminium nitrate
Ammonium nitrate and potassium nitrate
Sodium nitrate and aluminium nitrate
and
Ammonium nitrate and potassium nitrate
Silver nitrate and lead nitrate
Silver nitrate and lead nitrate solution.
Reaction:
AgNO3+HCl→AgCl+HNO3
Pb(NO3)2+2HCl→PbCl2+2HNO3