221.
Which of the following is natural resource?
A
Parks
B
Bus
C
Car
D
Water
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Which of the following is natural resource?
Parks
Bus
Car
Water
Which of the following is manmade resource?
Air
Soil
Parks
Water
Which is an almost pure form of carbon?
Coal gas
Coal tar
Coke
None of these
Which gas is obtained during the processing of coal?
Sulphur dioxide
Carbon monoxide
Carbon dioxide
Coal gas
When heated in air produces
Carbon monoxide
Nitrogen dioxide
Carbon dioxide
Oxygen
When coal burns in air then
Sulphur dioxide is formed
Carbon monoxide is formed
Hydrogen gas is formed
Carbon dioxide is formed
Water is a ..........
None of these
Natural substance
Both of these
Man made substance
The layer containing petroleum oil & gas is
Between water and sand
Above that of water
Below water
Below sand
The first oil well was drilled in
India
USSR
USA
UK
The characteristic of coal is
All of these
tough
Black in colour
Porous
Refining is
Separation of various fractions of petroleum
Heating of coal
Extracting petroleum gas
Sedimentation of fossil fuel
Purest form of carbon is
Charcoal
All of these
Coal
Coke
Petroleum is mixture of
Petrol
All of these
Petroleum gas
Diesel
Petroleum is formed from
Insects
Organisms in sea
Domestic animals
Wild animals
PCRA stands for
Public Council of Research Association
Partial Counting of Remaining Amendment
Public Conservations Research Association
Petroleum Conservation Research Association
Naphthalene balls are obtained from
Coke
Carbon
Coal gas
Coal tar
Heavy motor vehicles like trucks run on
Petrol
Diesel
Coal
Coal tar
Coke is used in the manufacturing of
Lead
steel
Iron
Copper
Coal tar contains about
300 substance
400 substance
200 substance
100 substance
Coal tar is used in manufacture of
Drugs
All of these
Explosives
Synthetic dyes