Chemistry The filter over which sewage is sprinkled is called as Contact bed Intermittent sand filter Trickling filter Percolating filter Contact bed Intermittent sand filter Trickling filter Percolating filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 Hydrocarbons CO NO CO2 Hydrocarbons CO NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Silicon Magnesium Sodium Calcium Silicon Magnesium Sodium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Lead Graphite Carbon Mica Lead Graphite Carbon Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon dioxide and oxygen Butane and propane Carbon monoxide and carbon dioxide Methane and ethylene Carbon dioxide and oxygen Butane and propane Carbon monoxide and carbon dioxide Methane and ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
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