CBSE Class 8 Science Coal And Petroleum Worksheet Set B

Read and download free pdf of CBSE Class 8 Science Coal And Petroleum Worksheet Set B. Students and teachers of Class 8 Science can get free printable Worksheets for Class 8 Science in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 8 students should practice questions and answers given here for Science in Grade 8 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 8 Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests

Worksheet for Class 8 Science Chapter 5 Coal and Petroleum

Class 8 Science students should refer to the following printable worksheet in Pdf for Chapter 5 Coal and Petroleum in standard 8. This test paper with questions and answers for Grade 8 Science will be very useful for exams and help you to score good marks

Class 8 Science Worksheet for Chapter 5 Coal and Petroleum

CBSE Class 8 Science Worksheet - Coal and Petroleum Part B. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and CCE guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.

Coal and Petroleum

1. PCRA stands for:
a) Public Conservations Research Association
b) Petroleum Conservation Research Association (✓)
c) Public Council of Research Association
d) None of these
2. LPG is a colourless and odourless gas, But on leakage from cylinder we notice a pungent smell. Which chemical is responsible for this pungent smell?
a) Ethyl Alcohol
b) Sodium Hydroxide
c) Ethyl Mercaptan (✓)
d) Carbon Monoxide
3. As we know petroleum is mixture of many constituents. By which process is petroleum refined?
a) Fractional distillation (✓)
b) Destructive distillation
c) Distillation
b) All of the above
4. As we know LPG is a gas, but it is filled in the cylinder in the form of liquid. How is LPG gas converted to liquid form?
a) By increasing volume
b) By applying high pressure (✓)
c) By increasing temperature
d) By reducing pressure
5. When all coal and petroleum will get exhausted then which will be our Future fuel ?
a) wood
b) Hay and straw
c) Mustard oil
d) Hydrogen Gas (✓)
6. How is coke superior to coal as a fuel?
a) Coal is a mineral and burns releasing smoke, while coke burns without residue.
b) Coal is an impure form of carbon, while coke is a pure form of carbon.
c) Calorific value of coal is low whereas the calorific value of coke is high.
d) All of the above(✓)
7. Which of the following is in descending order of the quality of coal?
a) Peat > bituminous > lignite > anthracite
b) Bituminous > peat > lignite > anthracite
c) Anthracite > bituminous > lignite > peat (✓)
d) Lignite > anthracite > bituminous > peat
8. Millions of years ago due to natural disasters forests got buried under the soil. They got compressed due to deposition of more layers of soil and this caused rise in temperature. With the effect of temperature and compression, forests were converted into coal. The slow conversion of dead vegetation into coal is known as …
a) Photosynthesis
b) Oxidation
c) Carbonization (✓)
d) Reduction
9. In fractional distillation of petroleum, where do the vapours with highest boiling point condense?
a) In the upper-most portion (✓)
b) In the lower-most portion
c) In the middle portion
d) Cannot be said
10. Which of following is the main constituent of natural gas?
a) C2H6 ( Ethane )
b) CH4 ( Methane) (✓)
c) C3H8 ( Propane)
d) C4H10 ( Butane )
11. During fractional distillation of petroleum, the crude petroleum is heated to:
a) 600 ºC
b) 400−500 ºC (✓)
c) 200 ºC
d) 100 ºC.
12. Assertion (A): Petroleum is called Black Gold Reason (R): Due to its great commercial importance, petroleum is called Black Gold.
a) A is correct and R is the correct explanation of A. (✓)
b) A is correct and R is not the correct explanation of A
c) A is correct and R is wrong.
d) A is wrong and R is correct.
13. What should be the characteristic of a rocket fuel?
a) Light and compact
b) High calorific value
c) Should burn rapidly
d) All of the above (✓)
14. Which of the following is obtained from coal tar?
a) Petrol
b) Coke
c) Natural Gas
d) Naphthalene balls (✓)
15. Assertion (A): Coal, petroleum and natural gas can be prepared in the laboratory from dead organisms. Reason (R): They cannot be prepared in laboratory as their formation is a very slow process and conditions for their formation cannot be created in the laboratory.
a) A is correct and R is the correct explanation of A.
b) A is correct and R is not the correct explanation of A
c) A is correct and R is wrong.
d) A is wrong and R is correct. (✓)
16. A black coloured thick liquid is used in the furnaces as a fuel. Name the liquid.
a) Diesel (✓)
b) Kerosene oi
l c) Bitumen
d) Fuel oil
17. Neha was travelling with her mother in a bus. She observed a black liquid had been spread over road to construct new roads. She asked about this liquid from her science teacher in the class. Her teacher replied that black liquid is a product of Petroleum which is also used to make roofs of houses.This black liquid is ..........
a) Diesel
b) kerosene
c) Bitumen (✓)
d) Paraffin Wax
18. Manpreet went to Delhi in holidays to her grandmother’s home. She asked green auto rickshaw to go home. She also saw many black auto rickshaws which were producing large quantity of smoke. She asked to auto rickshaw driver about this. Driver of auto rickshaw replied that there are green buses too. These green color vehicles run on a gas which produces less smoke and is cheaper too. This is a step taken by government to reduce air pollution. Gas used in auto rickshaw will be --------.
a) Hydrogen
b) CNG (✓)
c) LPG
d) Nitrogen
19. Shingara read in Newspaper that some people were sleeping in closed room with burning charcoal fire. In the morning all were dead. Shingara got astonished and asked from his science teacher that how can charcoal fire cause death. Teacher explained that when charcoal is burned in limited supply of air a colorless and odorless gas is produced, which causes death. Name of gas is ....
a) Carbon monoxide (✓)
b) Carbon dioxide
c) Hydrogen gas
d) Nitrogen gas
20. Delhi is one of the most polluted cities of the world. Due to petrol and diesel vehicles, air of Delhi is polluted to dangerous level. So government has suggested to use........ as alternate of petrol and diesel to control pollution.
a) L.P.G
b) C.N.G (✓)
c) Coke
d) None of these
21. The Taj Mahal is an historical monuments of our country, which is made of white marble. Air pollution in that area cause acid rain due to which white marble of Tajmahal turns yellowish. Which of the following chemical reaction represents Acid Rain.
a) O + O2 → O3
b) SO2 + H2O → H2SO3 (✓)
c) 2H2 +O2 →2H2O
d) C6H12O6 (s)+6O2 (g)→6CO2 (g)+6H2O(l)

More Question

1) Which resource is inexhaustible by human activities.

a) Coal b) Petrol

c) Air d) Minerals

2) Which fuel does not leave residue.

a) Coal b) Wood

c) Kerosene oil d) Cow dung cakes

3) Which fuel produce less pollution.

a) Petrol b) Coal

c) CNG d) Wood.

4) When coal is burnt, which gas is produced.

a) Oxygen b) Carbon dioxide

c) Nitrogen d) Hydrogen

5) Which is pure form of carbon.

a) Coke b) Coal

c) Coal Tar d) Coal Gas.

6) Write one word for the following sentences.

a) Resources are present in unlimited quantity in nature ___________.

b) Fuels which are formed from dead remains of living organismn (fossils) ____________.

c) The process of separating various constituents of petroleum._________

d) A slow process of conversion of dead vegetation into coal ___________.

7) Petroleum and natural gas deposits are shown in figure. Where will be oil, gas and water present


Please refer to attached file for CBSE Class 8 Science Worksheet - Coal and Petroleum Part B

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