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Reported Question / Answer
Q.) Temporary hardness of water may be removed by adding
1)
calcium carbonate
2)
calcium hydroxide
3)
sodium bicarbonate
4)
calcium chloride
5)
NULL
Answer :
2
Thank you for reporting wrong Question / Answer / Options
We look forward to your suggestions and feedback.
Message / Correct Answer / Suggestion
Human Verification : Answer 2 + 3 = ?
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