Hydrogen and Fuel Cells

What is the source of energy for life on earth…

Modern generation vehicles are powered by what resources?

• Hydrogen

• Oxygen

• Sunlight

• All of these

What is biomass?

Funciton of fuel cell

Cathode of ordinary zinc cells mentioned in the video is made up of

• Copper

• Zinc

• Graphite

• Aluminium

Electrode in a fuel cell are made of

• Copper

• Carbon

• Hydrogen

• Oxygen

Electrodes of fuel cell are coated with___

• Platinum

• Nickel

• Gold

• Hydrogen

What is the efficiency of a Fuel cell ?

• 100

• 80

• 45

• 75

What is efficiency of existing vehicles using fossil fuels?

• 50

• 90

• 75

• 100

According to Hollywood prophecy we should have _____ cars by 2015

• Flying

• Hydrogen fueled

• Solar

• Supersonic