Chemistry Which of the following metals occurs in free state ? Copper Lead Zinc Iron Copper Lead Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Silver bromide Sodium sulphate Hydroquinone Hypo Silver bromide Sodium sulphate Hydroquinone Hypo ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Additives Synergism Antagonism Independent Additives Synergism Antagonism Independent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of Fe2O3 FeCO3 Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 3Fe2O3 .. 3H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as Allergens Asthematic agents None of these Carcinogens Allergens Asthematic agents None of these Carcinogens ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 300 km 100 km 150 km 200 km 300 km 100 km 150 km 200 km ANSWER DOWNLOAD EXAMIANS APP