Chemistry Which gas is most stable at room temperature N2 O2 H2 F2 N2 O2 H2 F2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon monoxide Carbon dioxide Methane Sulphur dioxide Carbon monoxide Carbon dioxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Methane Ethane Nitrogen All of these Methane Ethane Nitrogen All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Photochemical smog SO2 NO2 Dust particles Photochemical smog SO2 NO2 Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is An antiknock compound A catalyst in burning fossil fuel A reductant An antioxidant An antiknock compound A catalyst in burning fossil fuel A reductant An antioxidant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Water vapour Ozone Carbon dioxide Carbon monoxide Water vapour Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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