Chemistry The percentage of oxygen in air is approximately 0.78 1 0.21 0.01 0.78 1 0.21 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 112 115 118 127 112 115 118 127 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Chlorine Ammonia Urea Sulphur-di- oxide Chlorine Ammonia Urea Sulphur-di- oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Table salt gets moist during rainy season because Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide Sodium chloride is deliquescent Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide Sodium chloride is deliquescent Sodium chloride contains hygroscopic impurities like magnesium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Zinc Graphite Copper Cadmium Zinc Graphite Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
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