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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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- The number of water molecules in gypsum and in plaster of paris are respectively
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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
- n-Butane and isobutane are
- The number of water molecules in gypsum and in plaster of paris are respectively
- HgI₂ reacts KI in aqueous solution to form K₂HgI₄.If small amount of HgI₂
- Photochemical smog is due to the presence of
- The number of atoms in 0.1 mol of a triatomic gas is (Na = 6.02 x 10²³ mol⁻¹)
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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