(a) What happens when HCl gas is passed through the saturated solution of NaCl?

(a) What happens when HCl gas is passed through the saturated solution of NaCl ?
(b) Seperate lewis adds and bases from the following :

(a) When HCl gas is passed through the saturated solution of NaCl then sodium chloride pre- dpitated out due to increased concentration of Chloride ion.
(b)