Chemistry The three elements most needed in common fertilisers are : Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? CO NO SO2 PAN CO NO SO2 PAN ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium nitrite Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Sulphurdioxide Nitrogen Oxygen Carbondioxide Sulphurdioxide Nitrogen Oxygen Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Will slowly increase and then it will decrease Is decreased Is increased Remains same Will slowly increase and then it will decrease Is decreased Is increased Remains same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Solid zinc Molten tin Gaseous zinc Molten zinc Solid zinc Molten tin Gaseous zinc Molten zinc ANSWER DOWNLOAD EXAMIANS APP