EASY
8th CBSE
IMPORTANT
Earn 100

Natural gas mainly consists of _____.

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Important Questions on Coal and Petroleum

MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 2
Coal, Petroleum and Natural gases are collectively referred as _____ fuels.
HARD
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 4
Heating coal in a limited supply of air is called _____ distillation of coal
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 5
The process of separating petroleum into its fractions is called petroleum _____.
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 1
When wood buried under the earth is subjected to pressure and temperature for millions of year, its get converted into petroleum.
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 2
If coal is heated to a high temperature in air it gets converted into coke
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 3
Natural gas causes less pollution than coal when burnt.
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 4
Petroleum is a mixture of compounds of carbon and hydrogen.
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 5
In a fractionating column, the fractions with low boiling points are obtained at the bottom of the column.