Chemistry The depletion of ozone layer is due to Ethane Carbon dioxide Sulphur dioxide Chloro fluoro carbon Ethane Carbon dioxide Sulphur dioxide Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere Troposphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Urea Ammonium nitrate Ammonium sulphate Nitro-lime Urea Ammonium nitrate Ammonium sulphate Nitro-lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Molten sodium carbonate Its cyanide complex Aqueous brine solution Molten sodium chloride Molten sodium carbonate Its cyanide complex Aqueous brine solution Molten sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Cast iron Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Nitrogen Oxygen Calcium Carbon Nitrogen Oxygen Calcium Carbon ANSWER DOWNLOAD EXAMIANS APP