IIT JEE : Chemistry Of Lighter Metals QUESTIONS AND ANSWERS :: part1 : 6 to 10
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
6.Which of the following metals never occurs in free state in nature? |
| Gold |
| Copper |
| Silver |
| Sodium. |
7.Which of the following methods is used for concentration of bauxite ore? |
| Levigation |
| Froth floatation |
| Magnetic separation |
| Leaching. |
8.Froth floatation process is used for the concentration of |
| Oxide ores |
| Sulphide ores |
| Chloride ores |
| Amalgams. |
9.The most abundant element in earths crust is |
| nitrogen |
| oxygen |
| iron |
| magnesium. |
10.Beryllium shows diagonal relationship with |
| Mg |
| Na |
| Al |
| B. |
More Chemistry Of Lighter Metals QUESTIONS AND ANSWERS available in next pages
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