Chemistry Which of the following is usually not an air-pollutant? Carbon dioxide Nitrous oxide Sulphur dioxide Hydrocarbons Carbon dioxide Nitrous oxide Sulphur dioxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Methane Carbon dioxide Hydrogen sulphide Carbon monoxide Methane Carbon dioxide Hydrogen sulphide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 NO CO Hydrocarbons CO2 NO CO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Calcium Nitrogen Oxygen Silicon Calcium Nitrogen Oxygen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Aluminium Silver Copper Zinc Aluminium Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 238 330 92 146 238 330 92 ANSWER DOWNLOAD EXAMIANS APP
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