Chemistry Unit C1 Worksheet - Study And Revision Pack (Foundation Paper) Page 32
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34(c) Simon was investigating different fuels.
He burned equal masses of four different fuels using the apparatus shown.
Equal volumes of water were heated by each fuel.
He obtained the following results
temperature
amount of
relative ease
amount of
rise of water /
smoke
fuel
of igniting
residue
°C
formed
kerosene
easy
85
some
none
meths
very easy
50
none
none
wood
difficult
40
small
some
coal
very difficult
45
large
some
(i) Simon says that meths is the best fuel.
How do his results support this conclusion?
(2)
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(ii) Jagdeep says that kerosene is the best fuel.
How do Simon’s results support this conclusion?
(1)
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(d) Some fuels contain sulfur impurities.
Burning fuels such as coal produce a gas which can cause damage to limestone statues.
Explain how the burning of some fuels can cause this damage.
(2)
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