Chemistry The three elements most needed in common fertilisers are : Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is hard It is colourless Its refractive index is high It is pure It is hard It is colourless Its refractive index is high It is pure ANSWER DOWNLOAD EXAMIANS APP
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 chief source for the production of nitrogeneous fertilizers is : Nitric acid Ammonia Nitrogen Nitrogen dioxide Nitric acid Ammonia Nitrogen Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Nylon Decron Melamine Bakelite Nylon Decron Melamine Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines Catalytic converters in industry ANSWER DOWNLOAD EXAMIANS APP
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