Chemistry By-product obtained by soap industry is Caustic potash Caustic soda Glycerol Naphthalene Caustic potash Caustic soda Glycerol Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Decreases the rate of reaction Has no action on the rate of the reaction Increases the rate of the reaction None of these Decreases the rate of reaction Has no action on the rate of the reaction Increases the rate of the reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning garbage Coal fire Steam engine Burning coal Burning garbage Coal fire Steam engine Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Mosquitoes White ants Red ants Cockroaches Mosquitoes White ants Red ants Cockroaches ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer O3 layer O 2 layer CO2 layer SO2 layer O3 layer O 2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is helium methane oxygen ozone helium methane oxygen ozone ANSWER DOWNLOAD EXAMIANS APP