Riya observed that a cooking utensil is made up of metal but its handle is made up of plastic. How are
metal and plastic helpful to cook food in utensils? Give reasons in support of your answers. What will
happen if the utensil base is made of plastic but the handle is made up of metal.
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Answers
Explanation:
The handles of cooking utensils are not made of just plastic, they are made of thermosetting plastic which is a special type of plastic that does not melt when once formed in to a shape. This special type of plastic gets cross linked when made in to a shape and will not soften when heat is applied on it. On the contrary it will get harden with temperature because of cross linking and will restrict the flow of heat.
But eventually, it does get hotter due to the heat transfer from surroundings.
The main reason to make the handles from plastics, that they are cheap, easily available, more durable and does not react with any food content easily, in short plastic is bad conductor of heat therefore plastic is material is used as handle of cooking utensils.
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