Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 8, 10 2, 10, 8 2, 6, 8, 4 2, 8, 8, 2 2, 8, 10 2, 10, 8 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Carbon Hydrogen Phosphorus Sulphur Carbon Hydrogen Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Natural gas Coal gas Indane gas Water gas Natural gas Coal gas Indane gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? Coal Low octane fuel High octane fuel Cooking gas Coal Low octane fuel High octane fuel Cooking gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Strontium Calcium Barium Sodium Strontium Calcium Barium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Magnetite None of these Limnonite Haemetite Magnetite None of these Limnonite Haemetite ANSWER DOWNLOAD EXAMIANS APP