Chemistry Main source of lead pollution is from Sewage Tobacco Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline Insecticides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Nitrogen Chlorofluorocarbons Methane Carbon dioxide Nitrogen Chlorofluorocarbons Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and particulates CO2and CFCs SO2 and NO2 NO2and particulates SO2 and particulates CO2and CFCs SO2 and NO2 NO2and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Helium Krypton Argon Neon Helium Krypton Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its chemical inertness presence of free electrons its high polishing its high density its chemical inertness presence of free electrons its high polishing its high density ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium metabisulphite Sodium sulphate BHT Saccharin Sodium metabisulphite Sodium sulphate BHT Saccharin ANSWER DOWNLOAD EXAMIANS APP
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