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प्रश्न
Fill in the blank:
The sample of hard water which lathers with soap after boiling and filtration contains _____.
उत्तर
The sample of hard water which lathers with soap after boiling and filtration contains calcium bicarbonate.
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संबंधित प्रश्न
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| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
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| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
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