Chemistry Which of the following pollutants is main product of automobile exhaust ? NO Hydrocarbons CO CO2 NO Hydrocarbons CO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Tin Aluminium Carbon Chromium Tin Aluminium Carbon Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Butane Methane Isobutane Carbon dioxide Butane Methane Isobutane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene carbon dioxide acetylene ethane ethylene carbon dioxide acetylene ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer O 2 layer O3 layer CO2 layer SO2 layer O 2 layer O3 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
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