Exercises

Author:Chhattisgarh Board

Chhattisgarh Board Science Solutions for Exercises

Simple step-by-step solutions to Exercises questions of Coal, Petroleum and Petrochemicals from Science (Theory & Practical) Class-9. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercises with Hints & Solutions

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

Coal is produced from the remains of:

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

The conditions necessary for formation of fossil fuels are:

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

Which type of coal has maximum carbon content:

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 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.

EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 16 - Coal, Petroleum and Petrochemicals>Exercises>Q 7

What products are obtained by the fractional distillation of petroleum? What are their uses?