16/11/2021

COAL AND PETROLEUM CLASS 8 EXTRA QUESTIONS INCLUDING ASSERTION REASON TYPE QUESTIONS

             COAL AND PETROLEUM

coal and petroleum


EXTRA QUESTIONS INCLUDING ASSERTION REASON 

FILL IN THE BLANKS

1. Earlier --------- was used in railway engines to produce steam to run the engine.
2. The slow process of conversion of dead vegetation into coal is called -----------.
3. Coal, --------- and natural gas are fossil fuels.
4. The resources that are present in unlimited quantity in nature and are not likely to be exhausted are called ----------.
5. A petroleum product, -------- is used in place of coal tar for surfacing the road.
6. ----------- is obtained during the processing of coal to get coke.
7. Naphthalene balls which is used as a moth repellent is obtained from ---------.
8. The word petroleum is derived from the words -------- and -------.
9. Coal is of plant origin and --------- is of animal origin.
10. Refining of petroleum is carried out in ------------.
11. ------- is a less polluting fuel and is said to be a cleaner fuel.
12. Petroleum is called ----------- due to its great commercial importance.

MCQ

1. Which among these is an inexhaustible natural resources?
a. coal    b. petroleum    c. sunlight    d. natural gas
2. Which product of coal is used in the manufacture of steel?
a. coal tar    b. coke    c. coal gas    d. bitumen
3. The process of separating the various fractions of petroleum is called --------
a. mining    b. filtering    c. carbonisation    d. refining
4. Which among these petroleum product is used as a solvent for dry washing?
a. petrol    b. diesel    c. kerosene    d. paraffin wax
5. ------- is used in thermal power plant to produce electricity.
a. petrol    b. coal tar    c. coal    d. coke

ASSERTION-REASON QUESTIONS

In the following questions, a statement of assertion(A) and a statement of reason(R) is given. Select the correct option for the following assertion-reason questions:

a. Both A and R are true and R is the correct explanation of A.

b. Both A and R are true and R is not the correct explanation of A.

c. A is true but R is false.

d. A is false and R is true.

1. Assertion- The amount of exhaustible natural resources are limited.

   Reason- Exhaustible  natural resources are not likely to be exhausted by human activities.

2. Assertion- Coal is a fossil fuel.

   Reason- Coal is formed from the remains of vegetation.

3. Assertion- CNG is cleaner fuel.

   Reason- CNG can be supplied directly through pipes.

4. Assertion- Coal, petroleum and natural gas can be prepared in the laboratory.

   Reason- Formation of fossil fuel is a very slow process.

5. Assertion- The layer of petroleum and natural gas are seen above the water layer in oil wells.

   Reason- Petroleum and natural gas are lighter than water.

ANSWER THE FOLLOWING: 

1. Name any two places in which natural gas is found in India.
2. Name the different products obtained on processing of coal.
3. Name three fossil fuels.
4. Name the fraction of petroleum which is used in road surfacing.
5. List out any six constituents of petroleum.
6. Expand CNG.
7. Differentiate between exhaustible and inexhaustible natural resources.
8. What are fossil fuels?
9. What is carbonisation?
10. Write any three uses of coal.
11. What is refining of petroleum?
12. What are the characteristics of coke?
13. Explain the of formation of coal. 
14. Explain the formation of petroleum.
15. List out any four ways by which we can save fossil fuels. 

ANSWERS

FILL IN THE BLANKS:
1. coal
2. carbonisation
3. petroleum
4. inexhaustible natural resources
5. bitumen
6. coal gas
7. coal tar
8. petra, oleum
9. petroleum
10. petroleum refinery/ refinery
11. CNG
12. black gold

MCQ
1. sunlight
2. coke
3. refining
4. petrol
5. coal

ASSERTION-REASON TYPE
1. c
2. a
3. b
4. d
5. a








Featured post

COMBUSTION AND FLAME CLASS 8 SCIENCE NCERT IMPORTANT QUESTIONS

  COMBUSTION AND FLAME  IMPORTANT QUESTIONS combustion and flame Fill in the blanks: 1. The substance which has a very low ignition temperat...

Popular posts