A mixture of two salts is used to prepare a solution S, which gives the following results:

The correct option(s) for the salt mixture is(are)

A

$$Pb(NO_3)_2$$ and $$Zn(NO_3)_2$$

B

$$Pb(NO_3)_2$$ and $$Bi(NO_3)_3$$

C

$$AgNO_3$$ and $$Bi(NO_3)_3$$

D

$$Pb(NO_3)_2$$ and $$Hg(NO_3)_2$$