Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Hydrogenated wafers Hydrogen sulphide Aluminium sulphide Aluminium phosphide Hydrogenated wafers Hydrogen sulphide Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Carbon dioxide Nitrogen Carbon Monoxide Chloro fluoro carbons Carbon dioxide Nitrogen Carbon Monoxide Chloro fluoro carbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Chlorofluorocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbons Carbon dioxide Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 CO SO2 Unburnt petrol CO2 CO SO2 Unburnt petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? High octane fuel Low octane fuel Coal Cooking gas High octane fuel Low octane fuel Coal Cooking gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Acid rain Radioactive waste Carbon dioxide Oil spill Acid rain Radioactive waste Carbon dioxide Oil spill ANSWER DOWNLOAD EXAMIANS APP
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