Chemistry Which of the following elements is obtained from sea weeds ? Vanadium Sulphur Iodine Argon Vanadium Sulphur Iodine Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO NO Hydrocarbons CO2 CO NO Hydrocarbons CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Sublimation Steam distillation Fractional crystallisation Fractional distillation Sublimation Steam distillation Fractional crystallisation Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Phosgene Carbon monoxide Methyl isocyanate Chlorine Phosgene Carbon monoxide Methyl isocyanate Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Endothermic reaction Photochemical reaction Physical change Exothermic reaction Endothermic reaction Photochemical reaction Physical change ANSWER DOWNLOAD EXAMIANS APP