Question

Q3. Classify the following as Primary and Secondary fuel.
{coal, petrol, wood, kerosene, diesel}
Q4. What is bituminous coal?
Q5. Draw a well labelled diagram of Fractional Distillation of Petroleum.
Q6. Give any four properties of coal.
Q7. Coal is a fossil fuel. Explain.
08. Give 3 constituents of petroleum and their uses.
Q9. Give one use of each coke, coal tar and coal gas.​

Answer 1

Q -) 3

1° fuel eg :- coal,petrol, wood

2° fuel eg:- diesel, kerosene

Q-) 4

Bituminous coal or black coal is a relatively soft coal containing a tarlike substance called bitumen or asphalt. It is of higher quality than lignite coal but of poorer quality than anthracite. Formation is usually the result of high pressure being exerted on lignite

Q-) 6

Properties of coal : -

1-) it is organic compound

2-) it reflects the light

3-) it is use for burning

4-) it is abundant in nature

Q-) 7

Coal is a fossil formed over millions of Years by decaying of land vegetation when there are compacted and heated over time deposit are turned into coal

Q-)8

Coke is used as fuel for stop furnace etc.

Coal Tar is used for making perfume and paints

coal gas is also used as a fuel

Q-)8

constituent of petroleum is :-

1-) Petroleum gas :- it is used for fuel for home and industries

2-) petrol :- it is used as motor fuel

3-) kerosene oil :- it is used as fuel for stop lamp and for Jet aircraft

i think that it helps u my dear friend

stay home stay safe