Question

Multiple Choice Questions: 

i) Which one of the following is less polluting fuel?

a) Natural Gas 

b) Coal 

c) Kerosene 

d) Petrol

ii) The main constituent of coal is 

a) Carbon 

b) Oxygen 

c) Air 

d) Water

iii) Which one of the following material is used for making shoe polish? 

a) Paraffin wax 

b) Petrol

c) Diesel 

d) Lubricating oil

Answer 1

i) a) Natural Gas

ii) b) Oxygen

iii) a) Paraffin wax