Chemistry Ozone layer is present in Exosphere Troposphere Stratosphere Ionosphere Exosphere Troposphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Electrolysis Reduction Oxidation Fractional distillation Electrolysis Reduction Oxidation Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? All of these Forest fire Bacterial action in soil and swamp areas Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Aqua-regia Nitric acid Hydrochloric acid Acetic acid Aqua-regia Nitric acid Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Potassium Cadmium Lithium Sodium Potassium Cadmium Lithium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same spin Same or opposite spin No spin Opposite spin Same spin Same or opposite spin No spin Opposite spin ANSWER DOWNLOAD EXAMIANS APP
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