Chemistry Which of the following is a natural dye ? Alizarin Phenolphthalein Aniline blue Crystal violet Alizarin Phenolphthalein Aniline blue Crystal violet ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Lignite Peat Anthracite Bituminous Lignite Peat Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Lead Platinum Mercury Zinc Lead Platinum Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, H2S and NO2 NO, SO3 and H2S CO2, NO2 and SO3 CO, CO2 and SO2 CO2, H2S and NO2 NO, SO3 and H2S CO2, NO2 and SO3 CO, CO2 and SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Sulphur dioxide Carbon monoxide Carbon dioxide Chlorine Sulphur dioxide Carbon monoxide Carbon dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Dioxide Marsh gas Hydrogen Carbon Monoxide Carbon Dioxide Marsh gas Hydrogen Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP