What will happen ? (Also write the chemical equations).   (a) When a filter paper moisten
Channel: Doubtnut
Date: 2020-04-12

What will happen ? (Also write the chemical equations).   (a) When a filter paper moistened with potassium iodate and starch solution is brought in contact with sulphur dioxide gas.   (b) When `H_(2)S` gas is made to react with sodium tetrahydroxidoplumbate (II) solution.   (c ) When sulphite reacts with dilute `H_(2)SO_(4)` in presence of zinc