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Why do calcium ions make water hard but sodium ions do not
Options
(a) Calcium forms insoluble compounds with stearate ions present in soap
(b) Sodium forms insoluble compounds with stearate ions present in soap
(c) Calcium forms soluble compounds with stearate ions present in soap
(d) Both calcium and sodium forms insoluble compounds with stearate ions present in soap
Correct Answer:
Calcium forms insoluble compounds with stearate ions present in soap
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which would exhibit ionisation isomerism
- The coordination number of an atom in the simple cubic unit cell in a crystal lattice
- 8.2 L of an ideal gas weight 9.0 gm at 300 K and 1 atm pressure
- On heating glycerol with conc.H₂SO₄, a compound is obtained which has bad odour.
- Which of the following is a redox reaction
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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