Chemistry Which one of the following is known as the 'brown coal'? Anthracite Bituminous Coke Lignite Anthracite Bituminous Coke Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Water gas Carbon monoxide Hydrogen cyanide Mustard gas Water gas Carbon monoxide Hydrogen cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Bromine Barium Magnesium Lead Bromine Barium Magnesium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Chlorofluorocarbons Methane Nitrous oxide Carbon dioxide Chlorofluorocarbons Methane Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Nitrous oxide Carbon dioxide Hydrocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Hydrocarbons Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Coal Iron Diamond Graphite Coal Iron Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
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