Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Carbonic Acid Water Methane Ammonia Carbonic Acid Water Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Fire in coal mines Trade winds Dry farming Greenhouse effect Fire in coal mines Trade winds Dry farming Greenhouse effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Carbon dioxide Chlorofluorocarbons Nitrous oxide Methane Carbon dioxide Chlorofluorocarbons Nitrous oxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Lindane DDT Parathion Carbary Lindane DDT Parathion Carbary ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Carbon Nitrogen Iron Oxygen Carbon Nitrogen Iron Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Ion exchange process Lime soda process or manganese zeolite process Chlorination Oxidation followed by settling and filtration Ion exchange process Lime soda process or manganese zeolite process Chlorination Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
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