1.

Match the Column I with Column II and mark the approprite choice. {:("Column I","Column II"),((A)"Galena",(i)"Abrasive"),((B)"Diamond",(ii)"Metal carbonyls"),((C )"Carbon monoxide",(iii) "Hydrides of Si"),((D) "Silanes",(iv) "An ore of lead"):}

Answer»

(A) `to` (iv), (B) `to` (ii), (C ) `to` (i), (D) `to` (III)
(A) `to` (iv), (B) `to` (i), (C ) `to` (ii), (D) `to` (iii)
(A) `to` (ii), (B) `to` (i), (C ) `to` (iii), (D) `to` (iv)
(A) `to` (i), (B) `to` (ii), (C ) `to` (iii), (D) `to` (iv)

ANSWER :B


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