Physics
The process used for refining of petroleum is known as:
- evaporation
- filteration
- distillation
- fractional distillation
Related Questions
The main constituent of biogas is :
- oxygen
- carbon dioxide
- nitrogen
- methane
The chemical formula of the strong-smelling substance that is mixed in LPG is :
- C2H2SH
- C2H5SH
- CH5SH
- C2SH3
Identify the incorrect statement/s about solar panels.
(i) The running costs of solar panels is very high.
(ii) They do not cause any pollution.
(iii) They last over a long period of time.
- (i)
- (ii)
- (iii)
- (i) and (iii)
The non-renewable sources of energy are :
- Coal
- Petroleum
- Natural gas
- All of the above