Easy MCQ +4 / -1 PYQ · JEE Mains 2021

Match List - I with List - II

List - I
List - II
(a) $Ca{(OCl)_2}$ (i) Antacid
(b) $CaS{O_4}.{1 \over 2}{H_2}O$ (ii) Cement
(c) $CaO$ (iii) Bleach
(d) $CaC{O_3}$ (iv) Plaster of paris


Choose the most appropriate answer from the options given below :

  1. A (a) - (i), (b) - (iv), (c) - (iii), (d) - (ii)
  2. B (a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)
  3. C (a) - (iii), (b) - (iv), (c) - (ii), (d) - (i) Correct answer
  4. D (a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

Solution

CaSO<sub>4</sub>${1 \over 2}$ H<sub>2</sub>O - Plaster of Paris<br><br> Ca(OCl)<sub>2</sub> - Bleaching agent<br><br> CaO is used in cement<br><br> CaCO<sub>3</sub> is used as an Antacid

About this question

Subject: Chemistry · Chapter: s-Block Elements · Topic: Alkali Metals

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