Chemistry Which one of the following elements is an example of noble gas ? Nitrogen Helium Chlorine Hydrogen Nitrogen Helium Chlorine Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Boric acid Sulphuric acid Carbonic acid Phosphoric acid Boric acid Sulphuric acid Carbonic acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Ethylene Styrene Isoprene Butadiene Ethylene Styrene Isoprene Butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Positive Depends on whether the reaction is exothermic or endothermic Zero Negative Positive Depends on whether the reaction is exothermic or endothermic Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Propylene Acetylene Ethylene Methane Propylene Acetylene Ethylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP