Chemistry Who first published the periodic table Henry Moseley Dmitri Mendeleev John Dalton Julius Lothar Meyer Henry Moseley Dmitri Mendeleev John Dalton Julius Lothar Meyer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution Kerosene Lime Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Acid fumes Photochemical smog Sulphurous smog Industrial smog Acid fumes Photochemical smog Sulphurous smog Industrial smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Temperature decreases No heat change takes place Heat is liberated Heat is absorbed Temperature decreases No heat change takes place Heat is liberated Heat is absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Peat Bitumen Lignite Anthracite Peat Bitumen Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Semiconductor laser Dye laser Gas laser Excimer laser Semiconductor laser Dye laser Gas laser Excimer laser ANSWER DOWNLOAD EXAMIANS APP