Question

4. Coal gas is a gaseous mixture of hydrogen, carbon monoxide and methane.
5. Coal is found deep inside the earth between layers of porous and non-porous rocks.
6. Liquid fuels produce smoke which consists of unburnt carbon particles.
ans it is true false plz ans fast and plz no irrelevant answer plz ​

Answer 1

Answer:

1st is true

2nd is true

3rd is true