Chemistry The three elements most needed in common fertilisers are : Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Malic acid Tartaric acid Oxalic acid Acetic acid Malic acid Tartaric acid Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Hydrogen Carbon dioxide Ammonia Sulphur dioxide Hydrogen Carbon dioxide Ammonia Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in C12O N2O H2O (2) OF2 C12O N2O H2O (2) OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pb Pt Cu Ni Pb Pt Cu Ni ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is silicon oxide aluminium silicate aluminium borosilicate zeolites silicon oxide aluminium silicate aluminium borosilicate zeolites ANSWER DOWNLOAD EXAMIANS APP
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