Q. Which method will be employed to test the hardness of water?
A) Distillation
B) Boiling
C) None of these
D) Formation of lather with soap
✔ Correct Answer: Formation of lather with soap
Exam Insight
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A) Distillation
B) Boiling
C) None of these
D) Formation of lather with soap
✔ Correct Answer: Formation of lather with soap
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