Chemistry The minimum energy required for an effective collision is Activation energy Threshold energy Internal energy Free energy Activation energy Threshold energy Internal energy Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and dioxin Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Phosphorous Magnesium Silicon Sulphur Phosphorous Magnesium Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Aluminum Silver Manganese Copper Aluminum Silver Manganese Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
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