
General Knowledge : General Science QUESTIONS AND ANSWERS :: part1 : 31 to 35
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :
31.Which of the following gases is lighter than air ? |
| Carbon dioxide |
| Oxygen |
| Ammonia |
| Chlorine |
32.Of the various forms of carbon, the one which is used for adsorption purpose, is |
| Diamond |
| Graphite |
| Coke |
| Wood charcoal |
33.Galvanised iron sheets have a coating of |
| tin |
| lead |
| zinc |
| chromium |
34.The metal used in storage batteries is |
| iron |
| copper |
| lead |
| tin |
35.The chemical name for urea is |
| aneurin |
| chloroethene |
| carbamide |
| None of these |
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