First slide

General methods of extraction of elements from the earth crust

Question

Match the Column I with Column II and mark the correct option from the codes given below.

Moderate

A

P-2; Q-3; R-4; S-1
B

P-1; Q-4; R-2; S-3
C

P-2; Q-1; R-1; S-4
D

P-1; Q-2; R-3; S-3

Solution

(P- 2), (Q-3), (R- 4) (S-1)
Methods of Refining involve bessemerization of copper and iron metals.

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