What are petrochemicals ? What are their uses ?
Substance which are obtained from petroleum and natural gas are called petrochemicals .
Petrochemical are used in the manfacture of detergent, fibres, polythene and other plastics and fertilizers.
State two precautions that should be taken in using fossil fuels to avert the energy crises ?
What are the harmful effects of using fossil fuels ?
What are the consequences of the green house effect ?
Why is coke considered a better fuel than coal ? Give four reasons.
