chapter 5 Changes Around Us: Physical and Chemical - Part 2

What is combustion?

Type: MCQ • Marks: 1
What is combustion?
Options
A. Physical change of melting
B. Chemical reaction of a substance with oxygen that releases heat and often light
C. Formation of ice
D. Change of vapour into liquid
Explanation
Combustion is burning, a chemical reaction that often produces heat and light.
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