JEE PYQ: S Block Elements Question 19
Question 19 - 2020 (06 Sep Shift 2)
Match the following compounds (Column-I) with their uses (Column-II):
Column-I: (I) $\text{Ca(OH)}_2$ (II) NaCl (III) $\text{CaSO}_4 \cdot \frac{1}{2}\text{H}_2\text{O}$ (IV) $\text{CaCO}_3$
Column-II: (A) casts of statues (B) white wash (C) antacid (D) washing soda preparation
(a) (I)-(D), (II)-(A), (III)-(C), (IV)-(B) (b) (I)-(B), (II)-(D), (III)-(A), (IV)-(C) (c) (I)-(B), (II)-(C), (III)-(D), (IV)-(A) (d) (I)-(C), (II)-(D), (III)-(B), (IV)-(A)
Show Answer
Answer: (b)
Solution
$\text{Ca(OH)}_2$ is used in white wash (B). NaCl is used in preparation of washing soda (D). $\text{CaSO}_4 \cdot \frac{1}{2}\text{H}_2\text{O}$ is used for making casts of statues (A). $\text{CaCO}_3$ is used as an antacid (C).
BETA
