Chemistry The process of removing calcium and magnesium from hard water is known as Filtration Water softening Flocculation Sedimentation Filtration Water softening Flocculation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Paint manufacturing industry Coal mines Organic solvents industry Electroplating industry Paint manufacturing industry Coal mines Organic solvents industry Electroplating industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Ammonium chloride Sodium nitrate Calcium chloride Sodium chloride Ammonium chloride Sodium nitrate Calcium chloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Ozone Carbon monoxide Carbon dioxide Oxygen Ozone Carbon monoxide Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? CO NO PAN SO2 CO NO PAN SO2 ANSWER DOWNLOAD EXAMIANS APP
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