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Permanent hardness of water is due to the presence of
Options
(a) bicarbonate of sodium and potassium
(b) chlorides and sulphates of sodium and potassium
(c) chlorides and sulphates of calcium and magnesium
(d) bicarbonates of calcium and magnesium
Correct Answer:
chlorides and sulphates of calcium and magnesium
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
- If pressure is constant, the rate of diffusion varies with … proportional to density
- The absolute enthalpy of neutralisation of the reaction
- When KMnO₄ reacts with KBr in alkaline medium gives bromate ion. Then oxidation
- The catalyst used in the manufacture of H₂SO₄ by contact process is
- Magnesium does not decompose in
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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