Chemistry The three elements most needed in common fertilisers are : 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 Calcium, Phosphorous and Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is Infinity 4J 2J Infinity 4J 2J ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/8 1/6 1/4 1/3 1/8 1/6 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Calcium Sodium Silicon Magnesium Calcium Sodium Silicon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major component in the LPG is Butane Methane Propane Ethane Butane Methane Propane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Reduction Fractional distillation Electrolysis Oxidation Reduction Fractional distillation Electrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP