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

MCQ | Combustion and Flame Class 8

Check the below NCERT MCQ Questions for Class 8 Science Chapter 6 Combustion and Flame with Answers Pdf free download. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. We have Provided Combustion and Flame Class 8 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 8

NCERT Solutions Class 8 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	8th
Subject:	Science
Chapter:	6
Chapters Name:	Combustion and Flame
Medium:	English

Ncert Solutions for Class 8 Science | Objective Type Questions

You can refer to NCERT Solutions for Class 8 Science Chapter 6 Combustion and Flame to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Combustion and Flame | Class 8 Science | NCERT Solutions

Q1.	class 8 science mcq Coal burns to produce
	A. calcium bicarbonate
	B. magnesium
	C. carbon dioxide
	D. oxygen

Ans: carbon dioxide

Q2.	class 8 science mcq online test Name the chemical process in which a substance reacts with oxygen to give out heat.
	A. Reaction
	B. Junction
	C. Combustion
	D. All of these

Ans: Combustion

Q3.	class 8 science notes The substance that undergoes combustion is said to be
	A. burning
	B. flame
	C. charcoal
	D. combustible

Ans: combustible

Q4.	mcq class 8 science chapter 6 Combustible substances are also known as
	A. inflammable
	B. flaming
	C. illuminous
	D. non-flammable

Ans: inflammable

Q5.	mcq for class 8 science chapter 6 A temperature at which the substance burns is called
	A. melting
	B. boiling temperature
	C. kindling temperature
	D. evaporation

Ans: kindling temperature

Q6.	mcq for class 8 with answers combustion and flame Can the process of rusting he called combustion ?
	A. yes
	B. no
	C. can’t say
	D. none of these

Ans: yes

Q7.	mcq questions class 8 science Which is non-renewable source of energy’?
	A. Natural gas
	B. Wind energy
	C. Tidal energy
	D. Mechanical energy

Ans: Natural gas

Q8.	mcq questions class 8 science chapter 6 Is heat and light produced by Sun a combustion process?
	A. yes
	B. no
	C. can’t say
	D. none of these

Ans: no

Q9.	mcq questions for class 8 science Which of the following is not a fossil fuel?
	A. Coal
	B. Petroleum
	C. Natural gas
	D. Water gas

Ans: Water gas

Q10.	mcq questions for class 8 science chapter 6 Heat and light produced in the sun is by:
	A. combustion
	B. nuclear reactions
	C. burning
	D. none of these

Ans: nuclear reactions

Q11.	mcq questions for class 8 science combustion and flame Which gas helps in the process of combustion?
	A. Cooking gas
	B. Nitrogen gas
	C. Oxygen gas
	D. Producer gas

Ans: Oxygen gas

Q12.	mcq questions class 8 science pdf Ignition temperature is the:
	A. temperature at which a substance catches fire
	B. highest temperature at which a substance catches fire
	C. lowest temperature at which a substance catches fire
	D. none of these

Ans: lowest temperature at which a substance catches fire

Q13.	mcq questions class 8 science pdf with answer The amount of heat energy produced on complete combustion of 1 kg of a fuel is called
	A. calorific value
	B. significant value
	C. heat value
	D. internal energy

Ans: calorific value

Q14.	mcq questions for class 8 science with answers chapter 6 Which of them can be easily burnt with the help of a matchstick?
	A. wooden chips
	B. straw
	C. wooden log
	D. all of them

Ans: straw

Q15.	ncert class 8 science book Which zone represents the partial combustion in candle flame?
	A. Outer zone
	B. Middle zone
	C. Inner zone
	D. Lower zone

Ans: Middle zone

Q16.	ncert class 8 science book pdf A mgtchstjck does not catch fire on its own at room temperature because its:
	A. ignition temperature is more than room temperature
	B. ignition temperature is less than room temperature
	C. ignition temperature is same as room temperature
	D. none of these

Ans: ignition temperature is more than room temperature

Q17.	ncert class 8 science chapter 6 Burning coal in a closed room will produce
	A. nitrogen oxides
	B. carbon dioxide
	C. carbon monoxide
	D. oxygen

Ans: carbon monoxide

Q18.	ncert science class 8 book Which of the following gas extinguishes fire:
	A. oxygen
	B. hydrogen
	C. carbon dioxide
	D. nitrogen

Ans: carbon dioxide

Q19.	ncert science class 8 chapter 6 Substances which catch fire are called
	A. acids
	B. bases
	C. combustible
	D. burners

Ans: combustible

Q20.	ncert science class 8 solutions Combustion that takes place at a very fast rate is called:
	A. rapid combustion
	B. spontaneous combustion
	C. explosion
	D. none of these