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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
- How much quick lime can be obtained from 25g of CaCO₃?
- Which of the suggested tests can be used to differentiate the given compounds
- The absolute enthalpy of neutralisation of the reaction
- The ionisation potential for hydrogen atom is 13.6eV, the ionization potential for He⁺
- An organic compound contains 40%C, 6.66% H and rest oxygen .its vapour density
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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