| ⇦ | 
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Hardness of water due to presence of salts of
Options
(a) Na⁺ and K⁺
(b) Ca²⁺ and Mg²⁺
(c) Ca²⁺ and K⁺
(d) Ca²⁺ and Na⁺
Correct Answer:
Ca²⁺ and Mg²⁺
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A mixture contains O₂ and N₂ in the ratio of 1 : 4 by the weight
- AB crystallizes in a body centred cubic lattice with edge length ‘a’ equal
- Which of the following sets of quantum numbers violates the rules of quantum mechanics
- Which of the following is not hydrolysed easily
- In Kjeldahl’s mathod, the nitrogen present is estimated as
Topics: Hydrogen and Redox Reactions
(174)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A mixture contains O₂ and N₂ in the ratio of 1 : 4 by the weight
- AB crystallizes in a body centred cubic lattice with edge length ‘a’ equal
- Which of the following sets of quantum numbers violates the rules of quantum mechanics
- Which of the following is not hydrolysed easily
- In Kjeldahl’s mathod, the nitrogen present is estimated as
Topics: Hydrogen and Redox Reactions (174)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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