Chemistry CNG used in automobiles to check pollution, mainly consists of CO2 N2 H2 CH4 CO2 N2 H2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Tin Silicon Lead Carbon Tin Silicon Lead Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Carbon dioxide Nitrous oxide and sulphur dioxide Carbon monoxide Methane Carbon dioxide Nitrous oxide and sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Oxygen Hydrogen Carbon Nitrogen Oxygen Hydrogen Carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of coal Burning of paper Digestion of food Conversion of water into steam Burning of coal Burning of paper Digestion of food Conversion of water into steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Sleet Fog Smog Mist Sleet Fog Smog Mist ANSWER DOWNLOAD EXAMIANS APP
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