Question

Match the following.

List I		List II
(A)	Ftespar	(I)	$A{g}_{3}Sb{S}_3$
(B)	Asbestos	(II)	$A{l}_2{O}_3.H_{2}O$
(C)	Pyrargypte	(III)	$MgS{O}_4.H_{2}O$
(D)	Oiaspore	(IV)	$KAlS{i}_3{O}_8$
		(V)	$CaM{g}_2(Si{O}_3{)}_4$

The correct answer is

• A. (A) $\to$ (IV) ,(B) $\to$ (V) ,(C) $\to$ (II) ,(D) $\to$ (I)
• B. (A) $\to$ (IV) ,(B) $\to$ (V) ,(C) $\to$ (I) ,(D) $\to$ (II)
• C. (A) $\to$ (IV) ,(B) $\to$ (I) ,(C) $\to$ (III) ,(D) $\to$ (II)
• D. (A) $\to$ (II) ,(B) $\to$ (V) ,(C) $\to$ (IV) ,(D) $\to$ (I)

Answer 1

Answer: (B)

(A) Felspar (orthoclase) $\left(KAlS{i}_3{O}_8\right)$.
It is used in the manufacture of porcelain.
(B) Asbestos $\left[CaM{g}_3{\left(Si{O}_3\right)}_4\right]$.
It is used for fireproof sheets, cloths etc.
(C) Pyrargyrite (Ruby silver) $\left(A{g}_{3}Sb{S}_3\right)$.
It is an ore of silver.
(D) Diaspore $\left(A{l}_2{O}_3\cdot H_{2}O\right)$.
It is an ore of aluminium.