Question

1 Suggest why the vacuum flask is commonly
called a Thermos flask.​

Answer 1

Answer:Vacuum flask is commonly called thermos flask because vacuum prevents conduction same with thermos flask. The tight stopper prevents air from entering or leaving the flask so there is a no chance of convention.

Explanation:

Answer 2

Answer:

Explanation:

Vacuum flask is commonly called thermos flask because vacuum prevents conduction same with thermos flask. The tight stopper prevents air from entering or leaving the flask so there is a no chance of convention.