STEP-(I): Salt 'A' +Zn +dil. H_(2)SO_(4) rarr 'X" (g) (Rotten egg's smell) STEP-(II): 'X" gas + (("filter paper moistened"),("with" Pb(OAc)_(2)))rarr 'Y' (Black colour) STEP-(III): 'X' (gas) +H_(2)SO_(3) rarr 'Z' (white turbidity) Here 'Y' and 'Z' are:

STEP-(I): Salt 'A' +Zn +dil. H_(2)SO_(4) rarr 'X" (g) (Rotten egg's sm

1.	STEP-(I): Salt 'A' +Zn +dil. H_(2)SO_(4) rarr 'X" (g) (Rotten egg's smell) STEP-(II): 'X" gas + (("filter paper moistened"),("with" Pb(OAc)_(2)))rarr 'Y' (Black colour) STEP-(III): 'X' (gas) +H_(2)SO_(3) rarr 'Z' (white turbidity) Here 'Y' and 'Z' are:
Answer» `PbS` and `PbSO_(4)` `PbS` and `S` `ZNS` and `PbSO_(4)` `ZnS` and `ZnSO_(4)` Answer :B