Combustion and Flame (By Aarav)

What is combustion?

• None of These

• Burning of a substance

• Production of heat

• Production of Sound

Which of the following produces a flame?

• charcoal

• wax

• coal

• petrol

A gaseous fuel used in gas stoves.

Calorific Value of Hydrogen.

• 55,000

• 1,50,000

• None of these

• 45,000

What is a fuel?