Salt (A) + lime water `to` white precipitate `darr`   white precipitate + prolong passage of g
Channel: Doubtnut
Date: 2020-04-12

Salt (A) + lime water `to` white precipitate `darr`   white precipitate + prolong passage of gas (B) `to ` it forms soluble salt (C ), gas (B) has burning sulphur smell Identify the anion of salt (A) and (C ).