MEDIUM
8th CBSE
IMPORTANT
Earn 100

Differentiate between luminous and non-luminous zones.

Important Questions on Combustion and Flame

MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 6 - Combustion and Flame>ORAL QUESTIONS>Q 1
What is combustion?
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 6 - Combustion and Flame>HOTS>Q 1
During rusting iron reacts with oxygen in the presence of moisture and form iron oxide. Is rusting also a combustion reaction? Explain.
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 6 - Combustion and Flame>HOTS>Q 2
Why are sand filled buckets kept at petrol bunks ?
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 6 - Combustion and Flame>HOTS>Q 3
Why should we not try to put out a fire caused by electric short circuit using water ?
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 6 - Combustion and Flame>HOTS>Q 4
When a piece of sodium is dropped in water, it catches fire. How is it possible as you know water increases the ignition temperature of substance ?