EASY
8th Jammu and Kashmir Board
IMPORTANT
Earn 100

List conditions under which combustion can take place.

Important Questions on Combustion and Flame

EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 7 - Combustion and Flame>Exercises>Q 2
Burning of wood and coal causes _____ of air. (purification/ pollution)
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 7 - Combustion and Flame>Exercises>Q 2
A liquid fuel used in home is _____. (glycerine / kerosene)
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 7 - Combustion and Flame>Exercises>Q 2
Fuel must be heated to its _____ before it starts burning.
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 7 - Combustion and Flame>Exercises>Q 2
Fire produced by oil cannot be controlled by _____. (sand/water)
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 7 - Combustion and Flame>Exercises>Q 3
Explain how the use of CNG in automobiles has reduced pollution in our cities.
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 7 - Combustion and Flame>Exercises>Q 4
Compare LPG and wood as fuels.
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 7 - Combustion and Flame>Exercises>Q 5
Give reason, why water is not used to control fires involving electrical equipment?
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 7 - Combustion and Flame>Exercises>Q 5
Give reason, LPG is a better domestic fuel than wood.