why the inner wall of the bottle in thermos flask has silver coating
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Explanation:
The thermos flask has the inside bottle(or flask) painted o coated silver. The silver forms a shinny covering on the inside of the flask that reflects heat, thus preventing the gain or loss of heat by radiation. ... The thermos flask has a plastic top and a vacuum in between the double layer of the flask.
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Answer:
The thermos flask has the inside bottle(or flask) painted o coated silver. The silver forms a shinny covering on the inside of the flask that reflects heat, thus preventing the gain or loss of heat by radiation. ... The thermos flask has a plastic top and a vacuum in between the double layer of the flask.
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