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 Liquid Nitrogen boils at 77 kelvin 82 Kelvin 54 kelvin 97 Kelvin 77 kelvin 82 Kelvin 54 kelvin 97 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? Nitrogen Helium Methane Hydrogen Nitrogen Helium Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Water Ether Benzene Kerosene Water Ether Benzene Kerosene ANSWER DOWNLOAD EXAMIANS APP
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