Chemistry Which of the following is a man-made source of air pollution ? All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Nitrogen Calcium Silicon Oxygen Nitrogen Calcium Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Carbon dioxide Chlorofluorocarbons Nitrogen Methane Carbon dioxide Chlorofluorocarbons Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Photosynthesis Organic delay Breathing Burning Photosynthesis Organic delay Breathing Burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Carbon dioxide Methane Sulphur dioxide None of these Carbon dioxide Methane Sulphur dioxide None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Silver Mercury Copper Aluminium Silver Mercury Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
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