Match the items in column I to those in column II.

Column I Column II

i. distillation A. lead

ii. pollutant B. saline

iii. potable C. pure water

iv. seawater D. drinkable

Which set of answers is correct?
(a) i-A; ii-C; iii-B; iv-D
(b) i-A; ii-C; iii-D; iv-B
(c) i-C; ii-A; iii-B; iv-D
(d) i-C; ii-A; iii-D; iv-B

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Solution

(d) i-C; ii-A; iii-D; iv-B
Distillation gives pure water. Lead is a pollutant. Potable water is fit for drinking and seawater is saline.

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Similar questions

Column I	Column II
A. loading	i. separating solute from solution
B. decantation	ii. separating by pouring off the top liquid
C. sedimentation	iii. weighing down of solid particles by adding alum
D. distillation	iv. settling of solid at bottom of container

(a) A- iii; B- ii; C-iv; D-i
(b) A- ii; B- iii; C- iv; D-i
(c) A- iii; B-ii; C-i; D-iv
(d) A- iv, B-i; C-iii; D-ii

\begin{matrix} C o l u m n A & C o l u m n B (i) A metal which is unreactive towards corrosion & A.Sodium (i i) A metal which is liquid at room temperature. & B. Low tensile strength (i i i) A metal which floats on the surface of water and catches fire & C. Mercury (i v) Zinc & D. Gold \end{matrix}

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