Question

A petrol pump attendant closes the fuel cap very quickly after filling petrol. Which property of petrol makes him do so?

Answer 1

volatility property is the answer

Answer 2

Volatility property makes him do so after filling the petrol.

The petrol pump attendant will be filling 1000 of fuel on the vehicle.

It allows the person to find out how many meters on the vehicle exactly.

After filling the petrol tank you open the filter cap to acquire attendance of the pump.