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