IIT JEE : Chemistry Of Lighter Metals QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
1.The ignition mixture in Alumino-thermite process contains a mixture of |
| Magnesium powder and barium peroxide |
| Magnesium powder, aluminium and barium peroxide |
| Magnesium and aluminium powders |
| Magnesium and aluminium oxide. |
2.Zone refining process is used for the |
| Concentration of an ore |
| Reduction of a metal oxide |
| Purification of metals |
| Purification of an ore. |
3.The process in which metal oxide is reduced to metal by aluminium is called |
| smelting |
| aluminothermy |
| hydrothermy |
| none of these. |
4.Which element, amongst the following, has the highest boiling point? |
| Na |
| Mg |
| Ca |
| K. |
5.The principal ore of aluminium is |
| bauxite |
| corrundum |
| cryolite |
| Feldspar. |
More Chemistry Of Lighter Metals QUESTIONS AND ANSWERS available in next pages
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