EASY
9th Chhattisgarh Board
IMPORTANT
Earn 100

Which type of coal has maximum carbon content:

100% studentsanswered this correctly

Important Questions on Coal, Petroleum and Petrochemicals

MEDIUM
9th Chhattisgarh Board
IMPORTANT
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?
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 2
Coal and petroleum are _____ fuels.
EASY
9th Chhattisgarh Board
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.
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 2
Fractional distillation is carried out when there is a very small difference in the _____ of liquids in the mixture.
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 3
How are fossil fuel formed?
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 4
Explain the different types of coal in details.
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 5
Describe the environmental effects of the excessive use of fossil fuels.
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 6
The conservation of fossil fuels is a big necessity. Explain.