JEE · NEET Previous Year Question
The temporary hardness of a water sample is due to compound . Boiling this sample converts to compound and , respectively, are:
Topic: JEE PYQ
Answer: A. Full step-by-step solution below.
- A and
- B and
- C and
- D and
Correct answer: A
Solution
(a) JEE Main 2019Temporary hardness is caused by bicarbonates of calcium and magnesium. On
boiling following changesoccurs,
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