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Class 8 Science Chapter 6 Combustion And Flame Quiz 6 (25 MCQs)

Quiz Instructions

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1. Which of the following is a type of fuel?
2. In which zone of the flame does complete combustion takes place?
3. An ideal fuel is:
4. The acronym for putting out a fire using a fire extinguisher is PASS. What does PASS stands for
5. The outer zone of complete combustion is ..... in colour
6. The calorific value of a fuel is measured in ..... per unit mass.
7. Lowest temperature at which a substance catches fire is known as
8. The amount of heat energy produced on complete combustion of 1 kg of fuel is called
9. Rapid combustion is
10. Partial combustion takes place in which zone of a candle flame?
11. While cooking, if the bottom of the vessel is getting black on the outside, it means that
12. In a combustion reaction, fuel reacts with .....
13. There are three factors which supports burning. Fire extinguisher affects which factor?
14. In presence of water, ignition temperature of paper
15. Is water combustible?
16. Which of the following oxides are present in acid rain
17. The fuel with high calorific value
18. What is the main chemical component present in striking surface of a matchbox?
19. Which of the following is the maximum coal producing state in India?
20. Petrol can be saved by
21. Substance which catch fire are called
22. Which zone represent the partial (half) combustion in candle flame
23. What is the main characteristic of a luminous flame?
24. Burning of white phosphorus is an example of
25. Combustion is a reaction in which a substance reacts with
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