EASY
8th CBSE
IMPORTANT
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The most common fire extinguisher that we see in buildings is a soda acid fire extinguisher.

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Important Questions on Combustion and Flame

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 4
The wick of the candle is the fuel which burns when a candle is lit.
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 5
The dark inner zone is the coldest part of the flame.
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 6
The yellowish area of the flame is called the non-luminous zone of the flame.
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 7
An ideal fuel should produce more residue on burning.
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 8
Carbon monoxide in the air causes acid rain.
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q I

Give two examples of the following:

Inflammable substances

EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q I

Give two examples of the following:

Explosive combustion

EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q I

Give two examples of the following:

Fuels