Coal And Petroleum QUESTIONS AND ANSWERS :: part2 : 1 to 5
Following Coal And Petroleum Multiple choice objective type questions and answers will help you in many competitive written examinations and inteview 2024 like SSC exams :
1.The soft coal is ………….. |
| Lignite |
| Bituminous |
| Anthracite |
| none |
2.When coal is heated in the absence of oxygen, the process is called …………….. |
| Destrictive distillation |
| Distillation simple distillation |
| Stem distillation |
| none |
3.Coal tar is used to make …………. |
| naphthalene balls |
| fertilizers |
| electrodes |
| none |
4.The hard coal is …………….. |
| Lignite |
| Coal tar |
| Anthracite |
| none |
5.The percentage of carbon in lignite is |
| 25-35% |
| 35-45% |
| 85-95% |
| none |
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