Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.509 0.727 0.658 0.305 0.509 0.727 0.658 0.305 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Mesosphere Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [Ti(H2O)6]3+ [Cu(NH3)4]2+ [CrO4]2− [CoF6]3+ [Ti(H2O)6]3+ [Cu(NH3)4]2+ [CrO4]2− [CoF6]3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic masses Higher atomic numbers Higher densities Higher atomic radii Higher atomic masses Higher atomic numbers Higher densities Higher atomic radii ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Uranium Thorium Zirconium Plutonium Uranium Thorium Zirconium Plutonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Oxygen Ozone Nitrogen Carbondioxide Oxygen Ozone Nitrogen Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
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