1.

Milk of sulphur is obtained byA. passing `H_(2)S` through `HNO_(3)`B. the reaction of `Na_(2)S_(2)O_(3)" with "HCl`C. melting sulphur in a dishD. boiling milk of lime with sulphur and then with HCl.

Answer» Correct Answer - D
Milk of lime is boiled with sulphur and then calcium penta sulphide so-formed is decomposed with HCl to get white amorphous precipitate of sulphur.
`underset(("Milk of lime"))(3Ca(OH)_(2))+12S to underset(("Milk of sulphur"))(2CaS_(5)+CaS_(2)O_(3)+3H_(2)O)`


Discussion

No Comment Found