1.

Match the extraction processes listed in column I with metals listed in column II.

Answer»

a-p,R, b-p,r, c-Q , d-s
a-p,b-p,r , s: c-p,q,d-s
a-p, b-r, s:c-p, q, d-r
a-p,s, b-p,r,c-q, d-s, r

Answer :A


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