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The type of hardness that occurs due to the presence of bicarbonate of calcium and magnesium ions hardness is _______________(a) half hardness(b) temporary hardness(c) permanent hardness(d) momentary hardnessThe question was posed to me in an interview for job.My doubt stems from Hydrogen in portion Hydrogen of Chemistry – Class 11 |
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Answer» RIGHT answer is (b) temporary hardness Best explanation: The water which forms come with soap is known as hard water. The hardness that OCCURS due to the PRESENCE of BICARBONATES of calcium and magnesium is temporary hardness. Temporary hardness can be removed by BOILING and Clark’s process. |
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