EASY
8th CBSE
IMPORTANT
Earn 100

What is a flame?

Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
What is global warming?
EASY
8th CBSE
IMPORTANT
What is an ideal fuel?
EASY
8th CBSE
IMPORTANT

Question Image

Study the picture diagram below and answer the questions that follow.

Which of the following is the best fuel in terms of calorific value.

HARD
8th CBSE
IMPORTANT

Study the picture diagrams below and answer the questions that follow.

Question ImageArrange the above fuels in the order of increasing fuel efficiency.

EASY
8th CBSE
IMPORTANT
Why should water not be used to control fires involving electrical equipments?
EASY
8th CBSE
IMPORTANT
Why is LPG better domestic fuel than wood?
EASY
8th CBSE
IMPORTANT
Why does a sheet of paper catch fire easily, while a piece of paper wrapped around aluminium rod does not?
EASY
8th CBSE
IMPORTANT
Why it is difficult to burn heap of green leaves?