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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
- If heat of formation of C + O₂ → 2CO is ΔH = -110.5 kcal,then heat of combustion
- The heat of combustion of carbon to CO₂ is -393.5 kJ/mol. The heat released
- In Cr₂O₇²⁻ the oxidation numbers are
- The oxidation state of nitrogen is highest in
- Bakelite is prepered by the reaction between
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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