MEDIUM
8th CBSE
IMPORTANT
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Burning of coal in thermal power plants can result in acid rain.

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Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q C
Soot, a by-product of combustion, is not harmful for us as it contains only carbon.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
What is combustion?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
What are the conditions necessary for combustion to take place?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 6 - Combustion and Flame>Exercises>Q D
What is the difference between combustible and non-combustible substances?
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.