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
Chemistry If we burn graphite, No residue will be left It will not burn Residue will be left It will change into diamond No residue will be left It will not burn Residue will be left It will change into diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Tollen's Reagent Test Esterification Test FeCl3Test Ozonolysis Reaction Tollen's Reagent Test Esterification Test FeCl3Test Ozonolysis Reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Oxygen Carbon monoxide Ozone Carbon dioxide Oxygen Carbon monoxide Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Lithium Potassium Sodium Cadmium Lithium Potassium Sodium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Sodium Neon Nitrogen Hydrogen Sodium Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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