Question

Match List -I with List - II

List -I (Ore)		List-II (Element present)
(a)	Kernite	(i)	Tin
(b)	Cassiterite	(ii)	Boron
(c)	Calamine	(iii)	Fluorine
(d)	Cryolite	(iv)	Zinc

Choose the most appropriate answer from the options given below

• A. $(a) \to (i), (b) \to (iii), (c) \to (iv), (d) \to (ii)$
• B. $(a) \to (ii), (b) \to (i), (c) \to (iv), (d) \to (iii)$
• C. $(a) \to (ii), (b) \to (iv), (c) \to (i), (d) \to (iii)$
• D. $(a) \to (iii), (b) \to (i), (c) \to (ii), (d) \to (iv)$

Answer 1

Answer: (B)

Kernite $= Na _{2} B _{4} O _{7} \cdot 4H_{2}O$

Cassiterite $= SnO _{2}$

Calamine $= ZnCO _{3}$

Cryolite $= Na _{3} A \ell F_{6}$