General Knowledge : General Science QUESTIONS AND ANSWERS :: part1 : 61 to 65
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :
61.The metal that is present in photo films is |
| mercury |
| platinum |
| magnesium |
| silver |
62.Actinides are the elements with atomic numbers from |
| 36 to 43 |
| 89 to 103 |
| 97 to 114 |
| 101 to 115 |
63.Which of the following is the second most abundant most abundant metal in the earths crust ? |
| Copper |
| Aluminium |
| Iron |
| Zinc |
64.The gases used in different types of welding would include |
| oxygen and hydrogen |
| oxygen, acetylene and argon |
| oxygen and acetylene |
| oxygen, hydrogen, acetylene and nitrogen |
65.Of the following metals which, one pollutes the air of a big city ? |
| Copper |
| Chromium |
| Lead |
| Cadmium |
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