رمول
An example of a non-combustible substance is-
1.
petrol
coal
wood
iron
2. A fuel starts burning only when it is heated to-
its ignition temperature
its boiling point
its melting point
a temperature double of the room temperature
133
C Tick () the correct option.
Answers
Answered by
2
1. Iron
2. it's ignition temperature.
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