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. Which gas helps in the process of combustion?

 
 
 
 

2. Burning coal in a closed room will produce

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. The burning of LPG is an example of

 
 
 
 

10. A temperature at which the substance burns is called

 
 
 
 

11. Which is non-combustible substance?

 
 
 
 

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

 
 
 
 

13. ………… have very low ignition temperature.

 
 
 
 

14. Substances which catch fire are called

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Calorific value of a fuel is expressed in

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Acid rain contains mainly

 
 
 
 

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