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spectrum diagram - Coggle Diagram
spectrum diagram
page 72
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fire triangle
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Produce slight and heat, take one away the fire goes out
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page 73
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Natural gasses, butane, oil and petrol contain hydrogen and carbon (fossil fuels)
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page 74
candle
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Wick soaks wax then the Flame heats liquid wax on wick,
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Hydrogen=acid reacts with metal, metal used up = corrosion
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