Chemistry Which of the following is a man-made source of air pollution ? Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? H2SO4 HCl Sodium Carbonate Pure Water H2SO4 HCl Sodium Carbonate Pure Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of carbon and nitrogen None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur Oxides of carbon and nitrogen None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Clay and graphite Chalk and graphite Limestone and clay Limestone and graphite Clay and graphite Chalk and graphite Limestone and clay Limestone and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Silver Copper Barium Magnesium Silver Copper Barium Magnesium ANSWER DOWNLOAD EXAMIANS APP
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