Chemistry The most abundant rare gas in the atmosphere is He Ar Ne Xe He Ar Ne Xe ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Free radical Carbocation Carbanion Carbene Free radical Carbocation Carbanion Carbene ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Silicon Iron Oxygen Magnesium Silicon Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Nitrous oxide and Sulphur dioxide Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 200 mg 100 mg 150 mg 250 mg 200 mg 100 mg 150 mg 250 mg ANSWER DOWNLOAD EXAMIANS APP