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Some Basic Concepts of Chemistry
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What is the main difference between temporary and permanent hardness of water?
A. Temporary hardness is caused by sulfates, while permanent hardness is caused by bicarbonates
B. Temporary hardness is caused by chlorides, while permanent hardness is caused by bicarbonates
C. Temporary hardness cannot be removed, while permanent hardness can be removed
D. Temporary hardness can be removed by boiling, while permanent hardness cannot
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