what is vaccum flask?
explain stucture
Answers
Answered by
2
the vaccum flask is used to keep hot liquids hot and cold liquids cold.the flask consist of a double-walled bottel made of thin glass with the inner surface of the walls silvered. Air is pumped out of the space between the walls to create vaccum. the opening throug which this is done is then sealed. the mouth of the flask is closed with crock or plastic.the glass bottel is laced in a metal or plastic case, and is supported on crocks at the sides and at the bottom.
HOPE IT HELP!
^_^
MARK AS BRAINLIST PLEASE!
Attachments:
Similar questions