Chemistry Rock salt is a mineral containing Iron Potassium Sodium Magnesium Iron Potassium Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Nitrogen Argon Oxygen Carbon dioxide Nitrogen Argon Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Depends on whether the reaction is exothermic or endothermic Positive Zero Negative Depends on whether the reaction is exothermic or endothermic Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Neutron, positron Neutron, electron Proton, neutron Electron, proton Neutron, positron Neutron, electron Proton, neutron Electron, proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Potassium sulphate Lead Sulphate Zinc sulphate Sodium sulphate Potassium sulphate Lead Sulphate Zinc sulphate Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP