EASY
8th CBSE
IMPORTANT
Earn 100

Petrochemicals are used for making

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Important Questions on Coal and Petroleum

EASY
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 5 - Coal and Petroleum>EXERCISES>Q I
Coal was formed when huge forests were buried:
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 5 - Coal and Petroleum>EXERCISES>Q I
The bodies of dead animals are decayed in the absence of air under very high temperature and pressure of the earth. The product of decay were petroleum and natural gas which got trapped between the two layers of impervious rocks forming:
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 5 - Coal and Petroleum>EXERCISES>Q I
The natural gas always collects above the petroleum under high pressure in the dome shaped impervious rock, called:
EASY
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 5 - Coal and Petroleum>EXERCISES>Q I
The slow conversion of wood into coal by a biochemical process extending over million of years is called :
EASY
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 5 - Coal and Petroleum>EXERCISES>Q I
Petroleum is a
EASY
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 5 - Coal and Petroleum>EXERCISES>Q II

Fill in the blanks by choosing the words from the list given below:

List: Methane, pitch, youngest, coke, natural

Peat is the _____ variety of coal.

EASY
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 5 - Coal and Petroleum>EXERCISES>Q II

Fill in the blanks by choosing the words from the list given below:

List: Methane, pitch, youngest, coke, natural

Residue left after the fractional distillation of coal tar is called _____.

EASY
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 5 - Coal and Petroleum>EXERCISES>Q II

Fill in the blanks by choosing the words from the list given below:

List: Methane, pitch, youngest, coke, natural

Natural gas mainly consists of _____ gas.