General Knowledge : General Science QUESTIONS AND ANSWERS :: part1 : 46 to 50
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :
46.Which of the following is the correct sequence of the following elements in increasing order of their relative densities ? 1. Mercury 2. Gold 3. Lead 4. Aluminium |
| 3, 2, 1, 4 |
| 3, 1, 4, 2 |
| 4, 1, 3, 2 |
| 4, 3, 1, 2 |
47.Carborundum is |
| Silicon dioxide |
| Silicon carbide |
| Silicon nitride |
| Silicon phosphide |
48.Balloons are filled with |
| helium |
| oxygen |
| nitrogen |
| argon |
49.Which of the following pairs does not contain a coinage metal ? |
| Copper and Gold |
| Silver and Gold |
| Zinc and Gold |
| Copper and Silver |
50.Which of the following is not an isotope of hydrogen ? |
| Protium |
| Yttrium |
| Deuterium |
| Trituim |
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