Why does petroleum not have a chemical formula?

Important Questions on Coal, Petroleum and Petrochemicals

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IMPORTANT

Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Questions>Q 1

What do we mean by the recycling of plastics?

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IMPORTANT

Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Questions>Q 2

What is combustion? Explain.

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IMPORTANT

Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 1

Coal is produced from the remains of:

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IMPORTANT

Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 1

The conditions necessary for formation of fossil fuels are:

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Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 1

Which type of coal has maximum carbon content:

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Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 1

What is the identification code found on objects made of PVC?

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Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 2

Coal and petroleum are _____ fuels.

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IMPORTANT

Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 2

The least carbon content is found in _____ type of coal.