Hard water and soft water can be distinguished by using
A. Dilute acid
B. Ordinary soap
C. Detergent
D. Liquid soap
Answer: Option C
Solution(By Examveda Team)
Hard water and soft water can be distinguished by using detergent.This Question Belongs to General Knowledge >> Chemistry
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Wrong answer.
Right answer opt B ) ordinary soap as it will make foam in soft water but not in hard water
Answer should be ordinary soap
Answer should be D