Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Krypton Argon Neon Helium Krypton Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Peat Anthracite Bitumen Lignite Peat Anthracite Bitumen Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Peat Lignite Bituminous Anthracite Peat Lignite Bituminous Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Dehydration process Oxidation process Reduction process Hydration to form other hydrates Dehydration process Oxidation process Reduction process Hydration to form other hydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? S P Na Ag S P Na Ag ANSWER DOWNLOAD EXAMIANS APP