Which of the following is a false statement about permanent hardness in water? A. Permanent hardness is caused by insoluble chloride and sulphate salts of calcium and magnesium. B. Permanent hardness is removed by boiling water. C. Permanent hardness is expressed as non-alkaline hardness. D. The difference between total hardness and permanent hardness refers to temporary hardness.
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Which of the following is a false statement about permanent hardness in water?
A. Permanent hardness is caused by insoluble chloride and sulphate salts of calcium and magnesium.
B. Permanent hardness is removed by boiling water.
C. Permanent hardness is expressed as non-alkaline hardness.
D. The difference between total hardness and permanent hardness refers to temporary hardness.
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