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Explain why calcuim ion makes water hard...

Explain why calcuim ion makes water hard, but sodium ion does not.

A

Calcium forms soluble compounds with stearate ions present in soap

B

Both ions form insoluble compounds with stearate ions present soap

C

Calcium forms insoluble compounds with stearate ions present in soap

D

Sodium form insoluble compounds with stearate ions in the soap

Text Solution

Verified by Experts

The correct Answer is:
C
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