EASY
Earn 100

Write two uses each of coke and coal tar.

Important Questions on Coal and Petroleum

EASY
Write any two products that are obtained when coal is distilled in the absence of air.
MEDIUM
Explain the destructive distillation of mineral coal in the laboratory by drawing a figure.
EASY
What is the industrial source of CNG?
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Which of the following variety of coal contains the highest percentage of carbon? 
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Find the odd one out.
 
EASY
The slow conversion of wood into coal by a biochemical process extending over million of years is called :
EASY
_____ is a soft black rock used as fuel.
MEDIUM

Nylon is an artificial fibre which is obtained from petrochemicals. 

Coal gas is obtained by the fractional distillation of coal.

EASY

Statements given below are incorrect. Write the correct statements.

During carbonisation the fossils of living beings change into petroleum.

MEDIUM
Which are the three grades of peat?     
MEDIUM
Describe how coal is formed from dead vegetation. What is this process called?
MEDIUM
From where do we get coal?
EASY
What are the kinds of mineral coal?
MEDIUM
How is coal formed? Mention three uses of coal. 
EASY

Statements given below are incorrect. Write the correct statements.

Coal is a renewable fuel.

EASY

Helium is used in metallurgy.

MEDIUM
Which chemical process is used for obtaining a metal from its oxide?
MEDIUM
What are the products obtained by the destructive distillation of coal?
MEDIUM
From where do we get coal?
MEDIUM
Fly ash obtained from the burning of coal is used to make