Question

the outer body of the inner bottle of thermos flask is made silver in colour. why?

Answer 1

Outer colour is silver to keep and maintain temperature constant. This will prevent the substance inside the flask from getting hot or cold. Silver will reflect light as it is shiny. This will prevent the thermos flask from absorbing more light and heat, so cold substance will not become hot.

Answer 2

Answer:

Answer Expert Verified. 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. 2) Prevention of heat loss by convecti