5. Coal And Petroleum Class 8 Science [LATEST] Solutions Additional Questions With Solutions in English - CBSE Study
NCERT Solutions for Class 8 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 5. Coal And Petroleum with detailed explanations and step-by-step answers for better exam preparation. Each Additional Questions With Solutions is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 8 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 8 English Medium Science All Chapters:
5. Coal And Petroleum
4. Additional Questions With Solutions
Additional Questions With Solutions
Q1: Name three natural resources.
Ans: Air, water and minerals.
Q2: Why air, water minerals and soil are called natural resources?
Ans: Because they are provided by nature. Human beings cannot make them.
Q3: Name two inexhaustible natural resources.
Ans: Sunlight and air.
Q4: Name two exhaustible resources.
Ans: Wildlife and minerals.
Q5: Name the gas produced during destructive distillation of coal?
Ans: Coal gas.
Q6: How is coal gas now-a-days?
Ans: Now-a-days the coal gas is used as a source of heat rather than light.
Q7: Where was the first oil well drilled?
Ans: The world‘s first oil well was drilled at Pennsylvania USA in 1859.
Q8: When was the first oil well drilled in India and where?
Ans: In 1867 at Makum in Assam.
Q9: What is full form of PCRA?
Ans: Full form of PCRA is Petroleum Conservation Research Association.
Q10: What is termed as black Gold?
Ans: Petroleum is termed as black gold.
Q11: What are the advantages of using CNG and LPG as fuels?
Ans: The advantage of using CNG and LPG are as follows:
(i) These are cleaner fuels.
(ii) These are low cost fuels.
(iii) These are available easily.
(iv) These can be used directly for burning in homes and factories where it can be supplied through pipes.
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