1.

Match column–I with column–II and select the correct answer using the codes given below : Column–I (Metals) (I) Iron & copper (II) Zirconium & Titanium (III) Lead & Tin (IV) Copper & Tin Column–II (Method used for refining) (P) Poling (Q) Bessemerisation(R) Van–Arkel(S) Liquation

Answer»

`I to P , II to S , III to R , IV to Q`
`I to Q , II to S , III to R , IV to P`
`I to P , II to R , III to S , IV to Q`
`I to Q , II to R , III to S , IV to P`

ANSWER :D


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