Question

Match the column I with column II and mark the appropriate choice.

Column I		Column II
(A)	Fe in solid state	(i)	Electrolytic conductor
(B)	NaCl in molten state	(ii)	p-type semi conductor
(C)	CO2in solid state	(iii)	Electronic conductor
(D)	Si doped with Aluminium	(iv)	None – polar Insulator

• A. (A) $\rightarrow$ (iv), (A) $\rightarrow$ (ii), (A) $\rightarrow$ (i), (A)$\rightarrow$ (iii)
• B. (B) $\rightarrow$ (ii), (B) $\rightarrow$ (iii), (B) $\rightarrow$ (i), (B) $\rightarrow$ (iv)
• C. (C) $\rightarrow$ (iii), (C) $\rightarrow$ (i), (C) $\rightarrow$ (iv),(C)$\rightarrow$ (ii)
• D. (D)$\rightarrow$ (i), (D) $\rightarrow$ (iv), (D) $\rightarrow$ (iii), (D)$\rightarrow$ (ii)

Answer 1

Answer: (C)

(C) $\rightarrow$ (iii), (C) $\rightarrow$ (i), (C) $\rightarrow$ (iv),(C)$\rightarrow$ (ii)

Answer 2

(1) $\rightarrow$ (iii), (2) $\rightarrow$ (i), (3) $\rightarrow$ (iv) ,(4)$\rightarrow$ (ii)