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1
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For combustion to occur you need this.
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2
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One of the products of complete combustion.
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3
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A liquid fuel with a flashpoint of -40 degrees.
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4
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What happens when there is not enough oxygen when a fuel burns.
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6
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This fuel has a flashpoint of 62 degrees.
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7
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Helicopters and jets run on this fuel.
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11
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This fuel is in the form of a gas.
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13
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A solid fuel.
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17
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The colour of a flame when incomplete combustion is occurring.
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19
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One of the products of incomplete combustion.
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20
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Something that is burned to release heat or light.
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