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