Chemistry Rock salt is a mineral containing Potassium Iron Magnesium Sodium Potassium Iron Magnesium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ SO2 CFC CO2 CO SO2 CFC CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Peat Anthracite Bitumen Lignite Peat Anthracite Bitumen Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is aluminium silicate zeolites silicon oxide aluminium borosilicate aluminium silicate zeolites silicon oxide aluminium borosilicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons CO NO CO2 Hydrocarbons CO NO CO2 ANSWER DOWNLOAD EXAMIANS APP
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