Easy MCQ +4 / -1 PYQ · JEE Mains 2023

Match List I with List II

List-I
List-II
A. Chlorophyll I. $\mathrm{Na_2CO_3}$
B. Soda ash II. $\mathrm{CaSO_4}$
C. Dentistry, Ornamental work III. $\mathrm{Mg^{2+}}$
D. Used in white washing IV. $\mathrm{Ca(OH)_2}$

Choose the correct answer from the options given below :

  1. A A-III, B-I, C-II, D-IV Correct answer
  2. B A-II, B-III, C-IV, D-I
  3. C A-II, B-I, C-III, D-IV
  4. D A-III, B-IV, C-I, D-II

Solution

Chlorophyll contains $\mathrm{Mg}^{2+}$ Ions (A - III) <br/><br/> Soda ash is $\mathrm{Na}_{2} \mathrm{Co}_{3}$ (B - I) <br/><br/> Dentistry; ornamental work $-\mathrm{CaSO}_{4}\quad(\mathrm{C}-\mathrm{II})$ <br/><br/> Used in white washing $-\mathrm{Ca}(\mathrm{OH})_{2} \quad(\mathrm{D}-\mathrm{IV})$

About this question

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

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