Question

WORKSHEET-a
Coal and Petroleum
A. Fill in the blanks
1. Most minerals are obtained from
fuels
2 Coal, petrol and natural gases are
3. Refining of petroleum is also called
4. Fuels can be in the form of
of petroleum
B. Answer the following questions in short:​

Answer 1

Answer:

1. Oil. Derived from marine plants and animals
2. Coal, crude oil, and natural gas are all considered fossil fuels because they were formed from the fossilized, buried remains of plants and animals that lived millions of years ago.
3. Petroleum refining processes are the chemical engineering processes and other facilities used in petroleum refineries to transform crude oil into useful products such as liquefied petroleum gas, gasoline or petrol, kerosene, jet fuel, diesel oil and fuel oils.
4. О Fossil fuels were formed from the dead remains of living organisms millions of years ago. О Fossil fuels are exhaustible resources. О Coke, coal tar and coal gas are the products of coal. О Petroleum gas, petrol, diesel, kerosene, paraffin wax, lubricating oil are obtained by refining petroleum.

hope it helps you

Answer 2

1. Like coal, petrol

2. Minerals

3. refining of petrol

4. Yes