EASY
Earn 100

Coal is mostly made up of  with variable amounts of hydrogen, sulphur and nitrogen etc.

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Important Questions on Coal and Petroleum

EASY
Which of the following variety of coal contains the highest percentage of carbon? 
MEDIUM
Explain the destructive distillation of mineral coal in the laboratory by drawing a figure.
MEDIUM

Nylon is an artificial fibre which is obtained from petrochemicals. 

Coal gas is obtained by the fractional distillation of coal.

MEDIUM
Describe how coal is formed from dead vegetation. What is this process called?
MEDIUM
From where do we get coal?
EASY

Statements given below are incorrect. Write the correct statements.

Coal is a renewable fuel.

EASY
_____ is a soft black rock used as fuel.
MEDIUM
Name all the products formed when coal is subjected to destructive distillation.
MEDIUM
Which are the three grades of peat?     
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?
EASY
What are the kinds of mineral coal?
MEDIUM
How is coal formed? Mention three uses of coal. 
EASY
The slow conversion of wood into coal by a biochemical process extending over million of years is called :
EASY

Helium is used in metallurgy.

MEDIUM
Fly ash obtained from the burning of coal is used to make
EASY
Choose the correct word from the following:
(plant, coal, metal)
_____ is used as a fuel.
EASY
Which gas is used in metallurgy?
HARD
Describe characteristics and uses of coke.