Question

Match the following.

List I		List II
(A)	Ftespar	(I)	$Ag_3SbS_3$
(B)	Asbestos	(II)	$Al_2O_3.H_2O$
(C)	Pyrargypte	(III)	$MgSO_4 . H_2O$
(D)	Oiaspore	(IV)	$KAlSi_3O_8$
		(V)	$CaMg_2(SiO_3)_4$

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) $\left( KAlSi _{3} O _{8}\right)$.
It is used in the manufacture of porcelain.
(B) Asbestos $\left[ CaMg _{3}\left( SiO _{3}\right)_{4}\right]$.
It is used for fireproof sheets, cloths etc.
(C) Pyrargyrite (Ruby silver) $\left( Ag _{3} SbS _{3}\right)$.
It is an ore of silver.
(D) Diaspore $\left( Al _{2} O _{3} \cdot H _{2} O \right)$.
It is an ore of aluminium.