What causes the hardness of water?
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The presence of calcium and magnesium ions in the water makes it 'Hard Water'.
The presence of calcium and magnesium ions in the water makes it 'Hard Water'.
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Temporary hardness is caused by bicarbonates and permanent is caused by sulphates. Temporary hardness can be removed by boiling.
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Answer:The presence of calcium and magnesium ions in the water makes it 'Hard water'.
Explanation:
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