1.

Match the colomn I with column II and mark the appropriate choice. {:("Column I","Column II"),((A)"Used as lubricant",(i)"Carbon dioxide"),((B) "Oxide with three dimensional structure",(ii) "Grapite"),((C )"Used in solar cells",(iii) "Siica"),((D) "Anhydride of carbonic acid",(iv) "Silicon"):}

Answer»

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

ANSWER :D


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