Question

17. कठोर जल को मृदु करने के लिए किस सोडियम यौगिक का उपयोग किया जाता है? 4​

Answer 1

Answer:

Washing Soda (Na2CO3. 10H2O) is the sodium compound which is used for softening hard water

Explanation:

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Answer 2

Answer:

Washing Soda (Na2CO3. 10H2O) is the sodium compound which is used for softening hard water