Chemistry The three elements most needed in common fertilisers are : Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 97 Kelvin 77 kelvin 54 kelvin 82 Kelvin 97 Kelvin 77 kelvin 54 kelvin 82 Kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a fertilizer? Calcium sulphate Ammonium sulphate Potassium nitrate Calcium ammonium nitrate Calcium sulphate Ammonium sulphate Potassium nitrate Calcium ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Helium Methane Hydrogen Nitrogen Helium Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Benzene Ether Water Kerosene Benzene Ether Water Kerosene ANSWER DOWNLOAD EXAMIANS APP