Chemistry Which one out of the following helps in burning ? Nitrogen Oxygen Carbon dioxide Carbon monoxide Nitrogen Oxygen Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Chlorofluorocarbon Nitrogen dioxide Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide Sulphur dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrogen dioxide Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide Coloured impurities Nitrous oxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Biomass Lignite Petroleum Coal Biomass Lignite Petroleum Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Industrial smog Photochemical smog Sulphurous smog Acid fumes Industrial smog Photochemical smog Sulphurous smog Acid fumes ANSWER DOWNLOAD EXAMIANS APP
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