A sample of hard water contains some calcium sulphate and calcium hydrogen carbonate. The total hardness may therefore be removed by - SchoolNGR

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A sample of hard water contains some calcium sulphate and calcium hydrogen carbonate. ...

A sample of hard water contains some calcium sulphate and calcium hydrogen carbonate. The total hardness may therefore be removed by

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A Boiling the water
B Adding excess calcium hydroxide
C Adding a calculated amount of calcium hydroxide
D Adding sodium carbonate
E Adding magnesium hydroxide

Correct Answer: Option D

Explanation:

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