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8th CBSE
IMPORTANT
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Magnesium ribbon on burning in air produces

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Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Practice>Q 4

Which of the following is not a combustible substance?

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Practice>Q 5

The substance that does not burn with flame is

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8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Practice>Q 6

On placing an inverted tumbler over a burning candle, the flame extinguishes after sometime. This is because of non-availability of

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8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Practice>Q 7

If a person's clothes catch fire, the best way to extinguish the fire is to

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Practice>Q 8

The substance expected to have the highest ignition temperature out of the following is

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8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Practice>Q 9
Choose the incorrect statement from the following.
Forest fires are usually due to
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Practice>Q 10
The calorific value of a fuel is expressed in a unit called 
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Practice>Q 11
In villages, people use wood as fuel because: