Tick True/False against the following st | Class 8 Science Chapter Coal and Petroleum, Coal and Petroleum NCERT Solutions

Question:

Tick True/False against the following statements :

(a) Fossil fuels can be made in the laboratory. (T/F)
(b) CNG is more polluting fuel than petrol. (T/F)
(c) Coke is almost pure form of carbon. (T/F)
(d) Coal tar is a mixture of various substances. (T/F)
(e) Kerosene is not a fossil fuel. (T/F)

Answer:

(a) False

This statement is false because the fossil fuels are made up of natural processes.

(b) False

This statement is false because CNG is a clean fuel. It does not produce any harmful gases behind whereas the petrol does.

(c) True

This statement is true because coke is the pure form of the carbon. Carbon is found in many forms like coal, petroleum and coke.

(d) True

This statement is true because coal tar is not the pure form of carbon. It is made up of the mixing of different substances.

(e) False

This statement is false because kerosene oil is also a fossil fuel. The process of making fossil fuel takes much time. Ti is made up of dead vegetation which burried deep in the soil by the natural activities.


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 5: Tick True/False against the following statements : (a) Fossil fuels can be made in the laboratory....