Chemistry Iron and manganese present as pollutants in water cannot be removed by________ 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 Ion exchange process Chlorination ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Positive Zero Depends on whether the reaction is exothermic or endothermic Negative Positive Zero Depends on whether the reaction is exothermic or endothermic Negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Sodium Hydrogen Lithium Helium Sodium Hydrogen Lithium Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane Hydrogen and acetylene Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants A B C3 2 1 A B C 2 3 1 A B C 3 1 2 A B C 2 1 3 A B C3 2 1 A B C 2 3 1 A B C 3 1 2 A B C 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by All of these Increased transportation activity Deforestation Rapid industrialization All of these Increased transportation activity Deforestation Rapid industrialization ANSWER DOWNLOAD EXAMIANS APP
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