EASY
8th CBSE
IMPORTANT
Earn 100

In which zone of a candle flame partial combustion of fuel takes place?

Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 6 - Combustion and Flame>Short Answer Type Questions>Q 45
In which zone of a candle flame complete combustion of fuel takes place?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 6 - Combustion and Flame>Short Answer Type Questions>Q 46
Explain how, the use of CNG in automobiles has reduced pollution in cities.
HARD
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 6 - Combustion and Flame>Short Answer Type Questions>Q 47
What are the disadvantages of burning wood as fuel?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 6 - Combustion and Flame>Short Answer Type Questions>Q 48
Give reason for the following: LPG is a better domestic fuel than wood.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 6 - Combustion and Flame>Short Answer Type Questions>Q 49
Explain why, when a burning candle is covered with an inverted gas jar, the candle gets extinguished after some time.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 6 - Combustion and Flame>Short Answer Type Questions>Q 50
It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 6 - Combustion and Flame>Long Answer Type Questions>Q 51
What are combustible substances? Name three combustible substances.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 6 - Combustion and Flame>Long Answer Type Questions>Q 51
What are non-combustible Substances? Name three non-combustible substances.