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