S K Jain and Shailesh K Jain Solutions for Chapter: Coal and Petroleum, Exercise 4: Exercises
S K Jain Science Solutions for Exercise - S K Jain and Shailesh K Jain Solutions for Chapter: Coal and Petroleum, Exercise 4: Exercises
Attempt the free practice questions on Chapter 3: Coal and Petroleum, Exercise 4: Exercises with hints and solutions to strengthen your understanding. Science 8 solutions are prepared by Experienced Embibe Experts.
Questions from S K Jain and Shailesh K Jain Solutions for Chapter: Coal and Petroleum, Exercise 4: Exercises with Hints & Solutions
The byproducts of petroleum obtained after processing it, used as fuel are:
(i) Diesel and kerosene (ii) Paraffin wax and fuel (iii) Petrol and CNG (iv) LPG and fuel oil
Petroleum is an exhaustible natural resource.
Anthracite has the maximum carbon content.
The use of CNG in automobiles has reduced air pollution.
Petroleum must be conserved, because it is available in a limited amount in the nature.
Solve the crossword with the help of the clues given below.
ACROSS
1. A byproduct of petroleum not used as a fuel.
3. Organisation which promotes the conservation of petroleum.
6. An inexhaustible source of energy.
7. Petroleum by product used as auto fuel.
DOWN
1. Rainwater containing dissolved oxides of sulphur and nitrogen.
2. A gas obtained by heating coal and containing methane and hydrogen.
4. A product obtained from coal used in metallurgy.
5. A variety of coal.
