Question

2. Which of these insulates heat best?
a) water
c) aluminium
b) alcohol
d) air​

Answer 1

I think answer should be air..

Hope it will be correct....

thank you....

Answer 2

answer : c. aluminium

Explanation: aluminum foil is a good insulator because it prevents the radiation of heat by reflecting it back at the source. Since aluminum foil reflects the emission of heat, it tends to be a better insulator than other materials that just slow down the flow of heat from one area to another.

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