Question

State TRUE or FALSE.
1. Fossil fuels are inexhaustible natural resources.
2. Wood is a natural resource.
4 Coal, petroleum and coke are the types of fossil fuels,
5. Coal is used in thermal power stations to generate electricity:
Lubricating oil and fuel oil are the fractions of petroleum.
7. Greenhouse effect can cause global warming.
8. Lignite has the least heating value.
Answer the following questions in brief.
Define natural resources.
2. What are fossil fuels?
3.
Why coal is called a fossil fuel?
In which industry coke is primarily used?
List any two uses of coal.
6. Write any two examples of hydrocarbons.
7. Where is petroleum found in nature?
8. Name the process involved in separating fractions of petroleum.
Why do we refine petroleum?
VO. Is CNG a safe fuel to use? Give reason for your answer.
5.
3. In a fractionating column, crude oil is obtained at the top of the column.​

Answer 1

Answer:

1.false

2.true

4.true

5.true

6.true

7.false

8.true

1.materials or substances occurring in nature which can be exploited for economic gain.

2. natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.

3.Since smoke-producing constituents are driven off during the coking of coal, coke forms a desirable fuel for stoves and furnaces in which conditions are not suitable for the complete burning of bituminous coal itself. Coke may be combusted producing little or no smoke, while bituminous coal would produce much smoke.

mrk me brainliest plzz

Answer 2

Answer:

false

true

true

true

true

false

true

true