Chemistry Which one is not a pure form of carbon Graphite Gold Diamond Coal Graphite Gold Diamond Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Hydrochloric acid Sulphuric acid Phosphoric acid Nitric acid Hydrochloric acid Sulphuric acid Phosphoric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen and Carbon Oxygen only Oxygen and Nitrogen Hydrogen and Carbon Oxygen and Carbon Oxygen only Oxygen and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Chlorofluorocarbon Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbon Sulphur dioxide Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Zero Negative Depends on whether the reaction is exothermic or endothermic Positive Zero Negative Depends on whether the reaction is exothermic or endothermic Positive ANSWER DOWNLOAD EXAMIANS APP
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