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MCQ Combustion and Flame Chapter 6 Class 8 Science

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MCQ’s For All Chapters – Science Class 8th

1. Which one of the following gases is used in combustion?

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Question 1 of 15

2. The burning of LPG is an example of

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Question 2 of 15

3. A temperature at which the substance burns is called

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Question 3 of 15

4. Which is non-renewable source of energy’?

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Question 4 of 15

5. Which of the following is not a fossil fuel?

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Question 5 of 15

6. Which gas helps in the process of combustion?

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Question 6 of 15

7. The amount of heat energy produced on complete combustion of 1 kg of a fuel is called

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Question 7 of 15

8. Which zone represents the partial combustion in candle flame?

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Question 8 of 15

9. Burning coal in a closed room will produce

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Question 9 of 15

10. Substances which catch fire are called

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Question 10 of 15

11. Out of these, which is able to control fires?

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Question 11 of 15

12. Which zone of a flame does a goldsmith use for melting gold and silver ?

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Question 12 of 15

13. Calorific value of a fuel is expressed in

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Question 13 of 15

14. Which is non-combustible substance?

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Question 14 of 15

15. Acid rain contains mainly

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Question 15 of 15