Match the following Column-IColumn-II(i) Permanent hardness[A] Na+ (aq)(ii)Temporary hardness[B] Ca2+ (aq)(iii) React on heating [C] Mg2+ (aq)(iv) Not responsible for hardness[D] (aq)

Match the following Column-IColumn-II(i) Permanent hardness…

Chemistry Hydrogen and Its Compounds ( Not in Syllabus ) Water or Hydride of Oxygen Matrix Match Questions

Published on: August 13, 2026

Match the following

Column-I	Column-II
(i) Permanent hardness	[A] Na+ (aq)
(ii)Temporary hardness	[B] Ca2+ (aq)
(iii) React on heating	[C] Mg2+ (aq)
(iv) Not responsible for hardness	[D] (aq)

Correct Matrix Matching

Verified by Experts

The correct answer is:

(i) [B]; (ii) [B]; (iii) [D]; (iv) [A]; (iii) (aq)

Ans.

(i) [B][C]

(ii) [B][C][D]

(iii) [D]

(iv) [A][D]

Sol.

(i) Ca 2+ (aq), Mg 2+ (aq)

(ii) Ca 2+ (aq), Mg 2+ (aq), (aq)

(iii) (aq)

(iv) Na + (aq), (aq)

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