We employ many different types of materials to meet our basic needs. Some of them are human creations, while others are found in the natural world. Minerals, coal, oil, water, soil, and air make up this substance. Since they were all obtained from the natural world, they are all regarded as natural resources.
Download Class 8 Chemistry Worksheet on Chapter 5 Coal and Petroleum Set 2 PDF
CBSE Class 8 Chemistry Chapter 5 Coal and Petroleum – Set 2
Q-1: What advice did PCRA offer regarding fuel efficiency when driving?
Q-2: Identify the following:
a) A fuel used in railway engines to produce steam.
b) A process of conversion of dead vegetation into coal.
c) A product used as a starting material in the production of explosives.
d) A dark oily liquid having an unpleasant odour.
e) A natural gas that can be used directly in homes for burning.
Q-3: Which of the following methods is suitable for separating black gold from water?
a) Sedimentation
b) Filtration
c) Evaporation
d) Decantation
Q-4: In which of the following vehicles is petrol used as the fuel?
a) Trucks
b) Tractors
c) Motor cycles
d) All of the above
Q-5: How are natural resources classified based on their natural availability?
Q-6: Which of the following chemical elements is present in coal?
a) Sulphur
b) Tin
c) Carbon
d) Aluminium
Q-7: State true or false for each of the following. If the statement is false, give reasons why.
a) Petroleum is obtained from the organisms living in the lithosphere.
b) Steel production and the mining of numerous metals both include the usage of coal tar.
c) Petrol is used as a fuel for aviation.
d) Nowadays, bitumen is used for metalling the roads.
e) Inexhaustible natural resources are also known as fossil fuels.
Q-8: What chemical is made from petroleum and natural gas? Give an explanation of its applications.
Q-9: Petroleum is derived from two words. One of the words is “oleum,” which means _______.
a) Fuel
b) Grease
c) Oil
d) Rock
Q-10: Match column I with column II.
| Column I | Column II |
|---|---|
| A) Dark Oily Liquid | i) Bitumen |
| B) Black Thick Liquid | ii) Petroleum |
| C) Gas in Liquid Form | iii) Kerosene |
| D) Fuel for Lamps | iv) Liquified Petroleum Gas |
| E) A Petroleum Product | v) Coal Tar |
Q-11: Imagine that human activity has used up all the renewable natural resources. Do you believe it is possible for living things to survive?
Q-12: Why is CNG regarded as a superior fuel to petrol?
Q-13: Which of the following is not a natural resource?
a) Crude oil
b) Precious metals
c) Land resources
d) Thermal energy
Q-14: Give one word for the following:
a) A place where the first oil was struck.
b) A fossil fuel mined from between the rocks under Earth.
c) A fuel obtained from petroleum.
d) A fossil fuel used for the generation of electricity in thermal power stations.
Q-15: How does coal react when heated in the air? List the applications for coal.
Q-16: Describe the process through which the sea’s inhabitants produce petroleum.
Q-17: List the many components of petroleum. Describe one use for each component.
Q-18: In which of the following places was the first oil well drilled?
a) Makum
b) Pennsylvania
c) Gujarat
d) The Godavari and Krishna River basins.
Q-19: What type of coal product was used to metalize the roads in ancient times? Describe its applications and characteristics.
Q-20: Natural gas is stored by applying __________.
a) Low pressure
b) Moderate pressure
c) High pressure
d) Very low pressure
Download the PDF to access answers to the Chemistry Worksheet for Class 8 Chemistry Chapter 5 Coal and Petroleum Set -2
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Read Also:
- Coal and Petroleum-Exhaustible Natural Resources
- Fossil Fuels: Coal and Petroleum
- Formation of Coal
- The Story of Coal
- Class 8 Coal and Petroleum Important Questions with Answers
- Chemistry Concept Questions and Answers
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