Question

what may be a disadvantage for using metal instead of glass in a vacuum flask?​

Answer 1

Explanation:

What is main disadvantage of using metal instead of glass in a vacuum flask? Metals are good thermal conductors. Nonmetallic glasses are poor thermal conductors. The point of a vacuum flask is to keep things hot or cold for as long as possible.

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Answer 2

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Metals are good thermal conductors. Nonmetallic glasses are poor thermal conductors. The point of a vacuum flask is to keep things hot or cold for as long as possible.

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