Methods of Removing Hardness MCQs Quiz Online PDF Download eBook
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MCQs on Methods of Removing Hardness PDF Download eBook
MCQ: Addition of washing soda removes
- softness of water
- temporary hardness of water
- permanent hardness of water
- hydrogen from water
C
MCQ: Temporary hardness can be removed by adding
- lime
- carbon
- oxygen
- slaked lime
D