Petroleum

Petroleum is an exhaustible natural resource.

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

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. 
 

Petroleum occurs deep inside the earth floating over water. Which two properties of petroleum makes it possible to form a separate layer over water?

Comment on the statement "Fossils in your car".

How is petroleum formed inside the earth?

Give a few suggestions to save petroleum for future generations. 
 

Name the various fractions / products obtained from crude oil after distillation.

Is crude oil a mixture or a compound? Explain. 

Name the odd one-out giving reason.

Lubricating oil, Paraffin wax, Fuel oil, Asphalt

Name the odd one-out giving reason.

LPG, Kerosene, Asphalt, Petrol

The image shows petroleum and natural gas deposits.

Why is the layer of oil formed between natural gas and water?

Name the combustible gas present in natural gas.

Name any two constituents of petroleum which are not used as as fuels.

Name two products obtained from petroleum which can be used as a fuel.

Where does petroleum occur?

Write the full form of CNG.

Petroleum is not a fossil fuel.