Question

Which of the following statement is false ?

(1) Fossil fuels are preserved in the earth's curst.

(2) A good fuel should have high calorific value.

(3)Oxygen is a combustible gas.

(4) A substance burns in air, if its temperature is above the ignition temperature​

Answer 1

Answer:

1st True

2nd False

3rdTrue

4thFalse

Answer 2

Answer:

1,)True

2,)False

3,)True

4,)False