Fill in the blanks : (a) Fossil fuels a | Class 8 Science Chapter Coal and Petroleum, Coal and Petroleum NCERT Solutions

Question:

Fill in the blanks :
(a) Fossil fuels are               ,              and                       .
(b) Process of separation of different constituents from petroleum is called                 .
(c) Least polluting fuel for vehicle is                       .

Answer:

(a) Coal, petroleum, natural gas

Fossil fuels are made up of dead vegetation and animals. This process takes years to make petroleum.

(b) Refining

For purifying the petroleum, refining process is done. It separates the different constituents from petroleum which is known as refining.

(c) CNG

CNG is a clean fuel. It does not produce any harmful gases. The use of CNG in vehicles make our environment clean.


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Coal and Petroleum.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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Welcome to the NCERT Solutions for Class 8 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 4: Fill in the blanks : (a) Fossil fuels are               ,&n....