1.

Which of the following pairs is proper for the method used in Column - I and metal obtained in Column-II ?  {:("Column -I", "Column-II"),("(P) Distillation","(X) Cu"),("(Q) Smelting", "(Y) Hg"),("(R )Electrolysis", "(Z) Sn"):}

Answer»

<P> `P to X, Q toY, R to Z `
`P to Y, Q to Z,R to X`
`P to Y, Q TOX, R to Z`
`P to Z, Q to X, R to Y `

ANSWER :B


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