1.

Colloidal sulphur is obtained by the action of HNO onA. `H_(2)S`B. `HgS`C. `CaS_(2)O_(3)`D. CuS.

Answer» Correct Answer - A
`H_(2)S + underset("From"HNO_(3))([O])rarrH_(2)O + underset("Colloidal")(S)`


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