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Non Metals and Their Compounds

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Chemistry

Nature and Composition of Substances
Atomic Structure
Radioactivity
Periodic classification of element
Chemistry in Every Day Life
Biomolecules
Hydrocarbons and Its Derivatives
Non Metals and Their Compounds
Metals and Their Compounds
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  1. Alum is water purifier because it
    1. Gives taste
    2. Softens hard water
    3. Coagulates the impurities
    4. Destroys the pathogenic bacteria
Correct Option: D

NA


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