Combustion And Flame QUESTIONS AND ANSWERS :: part5 : 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.SO₂ and NO₂ cause pollution by increasing ………….. |
| alkalinity |
| acidity |
| buffer solution |
| none |
2.To control electrical fire which of the following is used? |
| Sand |
| Water |
| Solid carbon tetrachloride |
| Foamite |
3.Which cannot control fire due to oils? |
| Fire extinguisher |
| Foamite |
| Sand |
| Water |
4.Burning coal in a closed room will produce ……………. |
| carbon dioxide |
| nitrogen oxides |
| sulphur dioxide |
| carbon monoxide |
5.If green house effect or global warming remains unchecked, it will alter ……………... |
| Temperature |
| Sea level |
| Rainfall |
| All of these |
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