MEDIUM
8th CBSE
IMPORTANT
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What is the difference between combustible and non-combustible substances?

Important Questions on Combustion and Flame

MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
Write the chemical equation of the reaction that occurs when natural gas is burnt.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
Kerosene has a lower ignition temperature than diesel. What does this statement mean?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
What kinds of fire extinguishers are most often used for extinguishing an electrical fire?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
Name the four zones of a candle flame.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
What is the importance of the calorific value of a fuel?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
Why is hydrogen considered a good fuel?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
Name the harmful by-products formed by the burning of diesel and coal.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q E
What is ignition temperature? How does the difference in ignition temperature of fuels affect their use?