Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
Chemistry The cathode of a lead storage battery is made up of Lead oxide Manganese dioxide Zinc Lead Lead oxide Manganese dioxide Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Paraffin wax Bees wax Carnauba wax Jojoba wax Paraffin wax Bees wax Carnauba wax Jojoba wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Chloroprene Carbonyl chloride Nitrous oxide Bleaching powder Chloroprene Carbonyl chloride Nitrous oxide Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zinc sulphide is commonly used as Deodorant Fungicide Herbicide Rodenticide Deodorant Fungicide Herbicide Rodenticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Carbohydrates Biomass Crude oil Coal Carbohydrates Biomass Crude oil Coal ANSWER DOWNLOAD EXAMIANS APP
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