(c) Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
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The ignition temperature required by paper to catch fire is low. So, paper by itself catches fire easily. When the same paper is wrapped around an aluminium pipe, it does not. This is because aluminium being a metal is a good conductor of heat and absorbs the heat energy.
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The ignition temperature of paper is lower compared to that of aluminium. When paper is wrapped around an aluminium pipe; the ignition temperature increases. That is why paper itself catches fire easily, whereas a piece of paper wrapped around an aluminium pipe does not.
The ignition temperature required by paper to catch fire is low.
So, paper by itself catches fire easily.
When the same paper is wrapped around an aluminium pipe, it does not.
This is because aluminium being a metal is a good conductor of heat and absorbs the heat energy.
Paper is not able to attain the ignition temperature.
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