MCQ Questions of Class 8 Science Chapter 6 Combustion and Flame with Answers

Free PDF Download of CBSE Class 8 Science Chapter 6 Combustion and Flame Multiple Choice Questions with Answers.Based on Latest Exam Pattern. Students can solve NCERT Class 8 Science Chapter 6 Combustion and Flame Multiple Choice Questions with Answers to know their preparation level.

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Combustion and Flame Class 8 MCQs Questions with Answers

MCQ Questions for Class 8 Science Chapter 6 Combustion and Flame with Answers

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1. Acid rain contains mainly

 
 
 
 

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

 
 
 
 

3. ………… is better domestic fuel than wood.

 
 
 
 

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

 
 
 
 

5. A temperature at which the substance burns is called

 
 
 
 

6. Which is non-combustible substance?

 
 
 
 

7. ……… of fuel forms poisonous carbon monoxide gas.

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. ………… have very low ignition temperature.

 
 
 
 

11. Calorific value of a fuel is expressed in

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Goldsmith uses the ………… zone of the flame for melting gold and silver

 
 
 
 

15. Substances which catch fire are called

 
 
 
 

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

 
 
 
 

17. Burning coal in a closed room will produce

 
 
 
 

18. _________ fire extinguisher contains sodium bicarbonate + dil. Sulphuric acid.

 
 
 
 

19. The burning of LPG is an example of

 
 
 
 

20. Which gas helps in the process of combustion?

 
 
 
 

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