Chemistry Colour imparted to the Bunsen flame by strontium salt is Crimson red Apple-green Brick red Bluish green Crimson red Apple-green Brick red Bluish green ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CoF6]3+ [CrO4]2− [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CoF6]3+ [CrO4]2− ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is Fe3O4 Fe2O3 2Fe2O3. 3H2O FeCO3 Fe3O4 Fe2O3 2Fe2O3. 3H2O FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Air Nitrogen Carbon di–oxide Water Air Nitrogen Carbon di–oxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbon dioxide Oxides of minerals Carbonates absorbed from soil Water Carbon dioxide Oxides of minerals Carbonates absorbed from soil Water ANSWER DOWNLOAD EXAMIANS APP
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