Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Ion exchange process Chlorination Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Natural Gas Coal Geothermal energy Petroleum Natural Gas Coal Geothermal energy Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Sedative Mental stimulant Hallucinating substance Tranquillizer Sedative Mental stimulant Hallucinating substance Tranquillizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Drinking soda is Alkaline Oxidant Neutral Acidic Alkaline Oxidant Neutral Acidic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Ammonium chloride Calcium chloride Sodium nitrate Sodium chloride Ammonium chloride Calcium chloride Sodium nitrate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Polymerisation Dehydration Hydration and dissociation of water Dissociation of water Polymerisation Dehydration Hydration and dissociation of water Dissociation of water ANSWER DOWNLOAD EXAMIANS APP
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