Question

true or false:-
(1) CNG is more polluting fuel than petrol.
(2) Coke is an almost pure form of carbon.
(3) Coal tar is a mixture of various substances.
(4) Kerosene is not a fossil fuel.
(5) Exhaustible natural resources cannot be over by human activitie
(6) Fossil fuels are exhaustible natural resources.
(7) Naphthalene balls are made from coke.
(8) Kerosene is used as a fuel in jet aircrafts.​

Answer 1

1. false
2. false
3. true
4. true
5. false
6. true
7. false
8. false

Answer 2

1. true
2. false
3. true
4. false
5. true
6. true
7. false
8. false