MEDIUM
8th CBSE
IMPORTANT
Earn 100

Write down the characteristics of combustion.

Important Questions on Combustion and Flame

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 6
Why can water not be used to extinguish fires in electrical wiring caused by an electric short circuit?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 7
Combustion is faster in the presence of air or pure oxygen. Why?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 8
What precautions should be taken to save ourselves from combustible materials at home or offices?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 9
What is the difference between foam and dry powder extinguisher?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 10
How many zones are there in flame? Name them.
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 11
What d you mean by the term calorific value of a fuel? What is its SI unit?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 1
Explain rapid combustion.
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 7 - Combustion and Flame>EXERCISE>Q 1
What is explosive combustion?