Chemistry The chief source for the production of nitrogeneous fertilizers is : Ammonia Nitric acid Nitrogen Nitrogen dioxide Ammonia Nitric acid Nitrogen Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of lemon juice is expected to be Equal to 7 Nothing can be predicted More than 7 Less than 7 Equal to 7 Nothing can be predicted More than 7 Less than 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization is the : Deposition of zinc on iron Deposition of tin on iron Deposition of copper on iron Deposition of aluminium on iron Deposition of zinc on iron Deposition of tin on iron Deposition of copper on iron Deposition of aluminium on iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Petrol Alcohol H2O2 Oxalic acid Petrol Alcohol H2O2 Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Silicon Alcohol Nitrogen Sulphur Silicon Alcohol Nitrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
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