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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.
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Topics: Hydrogen and Redox Reactions
(174)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two possible stereo-structures of CH₃CHOHCOOH, Which are optically active are called
- The electrolytic reduction of nitrobenzene in strongly acidic medium produces
- The colour of CoCl₃.5NH₃.H₂O is
- For a spontaneous process, entropy always
- A substance with initial concentration of a mol dm⁻³ follows zero order kinetics.
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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