Chemistry The term 'brown air' is used for Photochemical smog Industrial smog Sulphurous smog Acid fumes Photochemical smog Industrial smog Sulphurous smog Acid fumes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Graphite Sodium Phosphorus Silicon Graphite Sodium Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted formic acid Glacial formic acid Diluted acetic acid Glacial acetic acid Diluted formic acid Glacial formic acid Diluted acetic acid Glacial acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Kerosene Lime Petrol Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Coal Carbon black Coke Graphite Coal Carbon black Coke Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is None of these Diamond Uranium Hydro-electricity None of these Diamond Uranium Hydro-electricity ANSWER DOWNLOAD EXAMIANS APP