Natural gas is
More polluting
Pure form of carbon
Black thick liquid
Less polluting
Which energy in plants is used by man in the form of food?
Chemical
Electrical
Bio
Physical
CNG is stored under?
Power generation
Electric Generators
Solvent
Solution
The process of heating coal in the absence of air is called
Fractional distillation
Distillation
Destructive distillation
None of these
Coal is produced in industry to get?
Coke
Coal tar
Coal gas
All of these
Now a days coal gas is used as a source of
Light
Heat
Electricity
Steam
The separation of the various fractions of petroleum is carried out in __________________.
Petroleum deposit
Oil reservoir
Petroleum refining
Petrol pump
Which one of the following is a renewable resource?
Coal
Petroleum
Natural gas
Air
Fly ash is produced from?
All the above
The characteristic of coal is?
Tough
Black in colour
Porous
