An inorganic salt when heated evolves a colourless gas which bleaches – InterviewSolution

1.	An inorganic salt when heated evolves a colourless gas which bleaches moist litmus paper. The evolved gasis :
Answer» `Br_2` `Cl_2` `NO_2` `I_2`. SOLUTION :`Cl_2` BLEACHES moistlitmus PAPER .

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