The method that cannot be used for removing permanent hardness of water is

QuestionsCategory: ScienceThe method that cannot be used for removing permanent hardness of water is
VideRime Staff asked 4 years ago

The method that cannot be used for removing permanent hardness of water is

a) Adding sodium carbonate

b) Distillation

c) Adding caustic soda

d) Boiling

GENERAL SCIENCE QUIZ with 50 MCQs SET-9