A. calcium sulphate B. magnesium sulphate C. calcium nitrate D. calcium bicarbonate
Home/Civil Engineering (MCQs)/Water Supply Engineering/By boiling water, hardness can be removed if it is due to_____. Water Supply Engineering By boiling water, hardness can be removed if it is due to_____. A. calcium sulphate B. magnesium sulphate C. calcium nitrate D. calcium bicarbonate Answer: Option D. Explanation: IS 14665 gives details about elevators. It specifies the number, capacityof elevator and number of floors to be served. Show AnswerDiscussion
