A Bunsen valve is a simple device that
Select one:
a. Allow gas flow in only one direction
b. Does all of these
c. Keeps a flask sealed
d. Keeps the salts from plugging the tube
Answer:
a. Allows gas flow in one direction
Explanation:
A Bunsen valve is a simple device that should not be confused with Bunsen burner.
It is fitted with glass tubes and a thin opening is made using scalpel. When the pressure becomes excessive it opens and vents out the excess gas hence maintaining unidirectional flows of the gas.