Temporary hardness of water can be removed by (A) Addition of alum (a coagulant) (B) Boiling (C) Filtration (through gravity sand filter) (D) Addition of lime

Temporary hardness of water can be removed by
(A) Addition of alum (a coagulant)
(B) Boiling
(C) Filtration (through gravity sand filter)
(D) Addition of lime
by

1 Answer

Answer :

(B) Boiling
by

Related questions

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Distribution of wash water is provided in (A) Sedimentation tank (B) Slow sand filter (C) Rapid gravity filter (D) All the above

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The yield of a rapid gravity filter as compared to that of slow sand filter, is (A) 10 times (B) 15 times (C) 20 times (D) 30 times

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For controlling algae, the most commonly used chemical, is (A) Copper sulphate (B) Alum (C) Lime (D) Bleaching powder

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