IIT JEE : Chemistry Of Lighter Metals QUESTIONS AND ANSWERS :: part2 : 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 is always found in free state? |
| Copper |
| Mercury |
| Silver |
| Gold. |
7.The metallic luster exhibited by sodium is explained by |
| Diffusion of sodium ions |
| Oscillation of loose electrons |
| Excitation of free electrons |
| Existence of body centred cubic lattice. |
8.Caustic soda is |
| Efflorescent |
| Deliquescent |
| Water repelling |
| Reducing agent. |
9.The reason for floating of ore particles in concentration by froth floatation process is that |
| they are light |
| they are insoluble |
| they are charged |
| they are hydrophobic. |
10.Molten sodium chloride conducts electricity due to the presence of |
| Free electrons |
| Free ions |
| Free molecules |
| Atoms of sodium and chlorine. |
More Chemistry Of Lighter Metals QUESTIONS AND ANSWERS available in next pages
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