EASY
Earn 100

________ forest fires are sometimes due to the heat of the sun or due to lightning strike.

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Important Questions on Combustion and Flame

MEDIUM
Which of the following undergoes spontaneous combustion?
MEDIUM
Differentiate between Spontaneous combustion and explosion
EASY
What is known as spontaneous combustion?
EASY
Incomplete combustion gives _____.
MEDIUM
Distinguish between combustion and rusting with suitable word equations only.
MEDIUM
Hydrogen is a good fuel even then it is not being used in our homes and industries. Why?
MEDIUM
Fires in underground coal mines usually occur due to the:
MEDIUM
What is meant by rapid combustion? Give one example of rapid combustion.
MEDIUM
Explain how removal of the elements of a fire helps to extinguish it.
EASY
What is known as rapid combustion?
EASY
Volatile: _____ :: non-volatile : charcoal (silver nitrate / camphor)
EASY

Write the quadrants in which the following points lie:

-4,7

HARD
Describe the types of combustion giving suitable examples.
MEDIUM
Respiration is a type of combustion.
MEDIUM
Differentiate between Spontaneous and rapid combustion.
MEDIUM
What is meant by spontaneous combustion? Give one example of spontaneous combustion.
MEDIUM
What is meant by explosive combustion (or explosion)? Give one example of explosive combustion (or explosion).
EASY
Essential requirements for producing fire are:
HARD
What is combustion? Explain various types of combustion.