Chemistry Which of the following gases is most toxic ? Carbon monoxide Carbon dioxide Chlorine Sulphur dioxide Carbon monoxide Carbon dioxide Chlorine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Precipitation Filteration Electrophoresis Sedimentation Precipitation Filteration Electrophoresis Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from None 8 – 14 0 – 7 0 – 14 None 8 – 14 0 – 7 0 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Sublimation Magnetization Sedimentation Evaporation Sublimation Magnetization Sedimentation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Hydrocarbons of petroleum Sodium salts of higher fattyacids Glycerides Potassium salts of higher fatty-acids Hydrocarbons of petroleum Sodium salts of higher fattyacids Glycerides Potassium salts of higher fatty-acids ANSWER DOWNLOAD EXAMIANS APP