One day, Ms. Sharma showed the students a piece of paper and asked, “Children, paper can burn, but why doesn’t it catch fire when left in the air?”, Riya replied, “Ma’am, it needs heat to start burning!”, Ms. Sharma explained, “Very good! A combustible substance needs to be heated to a sufficiently high temperature before it catches fire., This temperature is called the ignition temperature.”, Aarav asked, “Ma’am, what is ignition temperature?”, Ms. Sharma answered, “The minimum temperature at which a substance catches fire is called its ignition temperature.”

Ignition temperature.

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