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Chemistry Question
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Poll
Asked: 2020-12-17T08:29:21+00:00 In:

Hardness of water is due presence of salt

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Poll Results

0%(a) Calcium chloride
0%(b) Magnesium chloride
0%(c) Calcium Sulphate
100%(d) All the above ( 2 voters )
Based On 2 Votes

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    1. (d) All the above

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