Chemistry The percentage of oxygen in air is approximately 1 0.78 0.01 0.21 1 0.78 0.01 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrite Nitric oxide Nitrous oxide Nitrate Nitrite Nitric oxide Nitrous oxide Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon monoxide Oxides of nitrogen Oxides of sulphur Carbon dioxide Carbon monoxide Oxides of nitrogen Oxides of sulphur Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Ultra pure carbon Silicon Tantalum Beryllium Ultra pure carbon Silicon Tantalum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Parathion Carbary DDT Lindane Parathion Carbary DDT Lindane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO2 NO SO2 Chlorogluorocarbons NO2 NO SO2 Chlorogluorocarbons ANSWER DOWNLOAD EXAMIANS APP
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