Chemistry Which of the following is used to remove rust stains on cloth? Kerosene Oxalic acid solution Lime Petrol Kerosene Oxalic acid solution Lime Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is abundant in Gobar gas? Oxygen Hydrogen Carbon dioxide Methane Oxygen Hydrogen Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Oxides of nitrogen Oxides of sulphur Carbon monoxide Carbon dioxide Oxides of nitrogen Oxides of sulphur Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Aluminium Iron Gold Silver Aluminium Iron Gold Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Chromium Copper Lead Cadmium Chromium Copper Lead Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is costlier than tin Zinc is less reactive than tin Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc is more reactive than tin Zinc has a higher melting point than tin ANSWER DOWNLOAD EXAMIANS APP