Chemistry Magnetite is 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethylene None of these vinyl chloride ethyl alcohol ethylene None of these vinyl chloride ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Uranium Zirconium Thorium Plutonium Uranium Zirconium Thorium Plutonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ? and ? rays X-rays ?-rays Positive rays ? and ? rays X-rays ?-rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Physical change Photochemical reaction Endothermic reaction Exothermic reaction Physical change Photochemical reaction Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Reduces the organic matter of tissues Combines with O2 present in the body Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Dries up the blood Reduces the organic matter of tissues Combines with O2 present in the body Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Dries up the blood ANSWER DOWNLOAD EXAMIANS APP