Question

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

Answer 1

Which sodium compound is used to soften hard water?

ANSWER :

Sodium carbonate .

The formula of sodium carbonate is Na2CO3.10H2O

It helps to soften water and is also a sodium compound as specified by the question.

The reaction of hard water with the compound removes the hardness of the water .

Hope it helps !

Answer 2

Heya mate
The answer of ur question is





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





hope it helps