Chemistry Which of the following is an iron ore ? Lignite Magnetite Nitrite Bauxite Lignite Magnetite Nitrite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ SO2 CO CFC CO2 SO2 CO CFC CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with Carbon Oxygen None of these Hydrogen Carbon Oxygen None of these Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? H2SO4 HCl Pure Water Sodium Carbonate H2SO4 HCl Pure Water Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Hydrolyser Precipitator Disinfectant Flocculator Hydrolyser Precipitator Disinfectant Flocculator ANSWER DOWNLOAD EXAMIANS APP
Chemistry Malathion is a/an Pesticide Insecticide Fumigant Preservative Pesticide Insecticide Fumigant Preservative ANSWER DOWNLOAD EXAMIANS APP
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