UGC NET Paper 1 GA 5 Jan 2022 Shift 2 Paper
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Question : 41 of 50
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Which of the following are characteristics/properties of permanent hardness in water?
(A) Presence of bicarbonates of calcium and magnesium
(B) Presence of sulphates of calcium and magnesium
(C) Forms good lather when comes in contact with soap
(D) Presence of chloride of calcium and magnesium
(E) Can be removed by boiling the water
Choose the correct answer from the options given below :
(A) Presence of bicarbonates of calcium and magnesium
(B) Presence of sulphates of calcium and magnesium
(C) Forms good lather when comes in contact with soap
(D) Presence of chloride of calcium and magnesium
(E) Can be removed by boiling the water
Choose the correct answer from the options given below :
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