Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Bauxite Chromite Mica Manganese Bauxite Chromite Mica Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Magnesium Calcium Manganese None of these Magnesium Calcium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Oxidation Reduction Decomposition Dehydration Oxidation Reduction Decomposition Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 Hydrocarbons NO CO CO2 Hydrocarbons NO CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are electrons neutrons mesons positrons electrons neutrons mesons positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Arsenic Zinc Detergent Phosphate Arsenic Zinc Detergent Phosphate ANSWER DOWNLOAD EXAMIANS APP