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