Metal is an object that has heat and electricity carrying capacity due to the cations. The baking tray can conduct heat as it is a conductor, whereas the oven mitts are insulators. Thus, option A is correct.
What are conductors and insulators?
Conductors are substances and objects made of a large number of negatively charged particles called electrons. The free electrons allow the current to flow through the matter to conduct the electricity and heat. The metals are conductors and can pass the heat through them.
The insulators are substances with a low number of electrons that do not allow them to flow the current and charged particle through them. The mittens are insulators and cannot pass the heat or electricity through them and hence are used to lift the hot materials.
Therefore, the baking tray is a conductor, and mittens are insulators.
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Your question is incomplete, but most probably your full question was, that a baking tray is made of metal because it’s ____________ of heat. An oven mitt is used to take the tray out of the oven because it’s __________.
- conductor, insulator
- insulator, conductor
