Chemistry The gas used for filling weather balloons is Air Nitrogen Hydrogen Helium Air Nitrogen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In organic compounds, nitrogen is estimated by Dumas method Liebig's method Carius method Victor-Meyer's method Dumas method Liebig's method Carius method Victor-Meyer's method ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Freon Carbon monoxide Carbon dioxide Chloro fluorocarbon Freon Carbon monoxide Carbon dioxide Chloro fluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used as an explosive Used as an abrasive Used to fuse two metals Used to melt metals Used as an explosive Used as an abrasive Used to fuse two metals Used to melt metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Hydrogen peroxide Bromine water Acidified potassium permanganate Alkaline potassium permanganate Hydrogen peroxide Bromine water Acidified potassium permanganate Alkaline potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is liberated No heat change takes place Heat is absorbed Temperature decreases Heat is liberated No heat change takes place Heat is absorbed Temperature decreases ANSWER DOWNLOAD EXAMIANS APP
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