Chemistry The three elements most needed in common fertilisers are : 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 Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by NO2and particulates SO2 and NO2 CO2and CFCs SO2 and particulates NO2and particulates SO2 and NO2 CO2and CFCs SO2 and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Ammonium sulphate Urea Ammonium nitrate Superphosphate Ammonium sulphate Urea Ammonium nitrate Superphosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Helium Argon Krypton Neon Helium Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Argon Krypton Oxygen Nitrogen Argon Krypton Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Ozone Oxygen Chlorine Nitrogen Ozone Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
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