Answer 12, 13 and 14 by appropriately matching the information given in the three columns of the following table. Which combination will give hydrogen gas?

Answer 12, 13 and 14 by appropriately matching the information given i

1.	Answer 12, 13 and 14 by appropriately matching the information given in the three columns of the following table. Which combination will give hydrogen gas?
Answer» (III) (iii)(P) (II)(ii)(R) (IV)(iv)(Q) (I)(iii)(P) Answer :C