Combustion And Flame QUESTIONS AND ANSWERS :: part2 : 1 to 5
Following Combustion And Flame Multiple choice objective type questions and answers will help you in many competitive written examinations and inteview 2024 like SSC exams :
1.Sun produces heat and light through ………………… |
| Nuclear reactions |
| Combustion |
| Inflammation |
| Fractional distillation |
2.Which of the following is not true about combustion? |
| Combustion occurs only in the presence of oxygen |
| The substances get oxidized in combustion |
| It produces light and heat |
| Both (Opt1) and (Opt3) |
3.Which of these has lowest ignition temperature? |
| Petrol |
| Water |
| Kerosene |
| Wood |
4.Pick up combustible substances from the following: |
| Wood |
| Stone |
| Granite |
| Chalk |
5.The lowest temperature at which a substance catches fire is ………………… |
| Boiling temperature |
| Melting temperature |
| Body temperature |
| Ignition temperature |
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