Question

hydrogen and
and cleum
and buig en
Very short answer questions:
1. Coal is a fossil fuel made of courbon
2.
2. The word petroleum is derived from betra
3.
and
are obtained from petroleum
4. All substances that contain carbon are combustible. True or false?
5.
Wood is a better fuel than wood charcoal. Do you agree?
6.
Coal tar is a petrochemical used for making road surface. True or false?
7
Bitumen is not obtained from fractional distillation of petroleum. True or false?
B.
A non-polluting fuel
9. Substances that catch fire very easily and rapidly
10. The slow process of conversion of wood into coal by heat and pressure inside the Earth
1. The phenomenon of raising of the Earth's temperature
Short answer questions:
Define combustion.
15
Millennium's Science-8 Workshee​

Answer 1

Answer:

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