The source of all our energy is the
Moon
Sun
Wind
Waves
Which one is an example of non- conventional source of energy?
Petrol
Kerosene
Sunlight
Diesel
An example for conventional source of energy.
Find the odd one.
L.P.G
C.N.G
Hydrogen
Kerosene is a product of
Coal
Petroleum
Biogas
None of these
Petrol is a ____fuel.
Solid
Liquid
Gaseous
Coal, petroleum and natural gas are known by the name
fossil fuels
bio fuels
alternative fuels
none of these
A solar cell is made up of
Silicon
Rubber
Plastic
Silver
Which gas helps for burning?
Oxygen
Nitrogen
Carbondioxide
