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WorksheetsEnergy Transfer Form 4 IGCSE
Total questions: 10
Worksheet time: 7mins
Which statement about a fuel cell in a car is correct?
The fuel cell produces heat, which powers the car
The fuel cell is supplied with hydrogen directly from the air
The only emission from a fuel cell is nitrogen gas, which is non-polluting
The fuel cell produces electricity, which powers an electric motor
Which fuel does not produce
carbon dioxide when it burns?
coal
hydrogen
methane
petrol
Metals are welded by using heat produced by burning a gas in oxygen.
Which gas could not be used for this purpose?
ethene
hydrogen
helium
methane
The diagram shows some properties that substances may have.
A
B
C
D
A power station was designed to burn gaseous fuels only.
Which two substances could be used?
carbon dioxide and hydrogen
carbon dioxide and uranium-235
hydrogen and methane
methane and uranium-235
Which fuel does not produce air pollution when it burns?
coal
diesel oil
hydrogen
gasoline (petrol)
Power stations produce electrical energy from different fuels.
Which fuel causes least pollution to the atmosphere?
coal
fuel oil
natural gas
radioactive isotopes
Which substance does not use oxygen to produce energy?
coal
hydrogen
natural gas
uranium
Which substance could not be used as a fuel to heat water in a boiler?
ethanol
hydrogen
methane
oxygen
Statement 1 : Hydrogen is used as a fuel
Statement 2 : When hydrogen burns in the air to form water, heat energy is produced
Which is correct?
Both statements are correct and statement 2 explains statement 1
Both statements are correct but statement 2 does not explain statement 1
Statement 1 is correct but statement 2 is incorrect
Statement 2 is correct but statement 1 is incorrect
