BitsatHydrogen And Its CompoundsBITSAT 2023MCQ+3 / -12023Which of the following is added to remove permanent hardness of water?A\(\mathrm{Cl}_2\)B\(\mathrm{Na}_2 \mathrm{CO}_3\)C\(\mathrm{Ca}(\mathrm{OCl}) \mathrm{Cl}\)D\(\mathrm{K}_2 \mathrm{CO}_3\)Check AnswerClear SelectionReveal AnswerShow Explanation
