A Bunsen valve is a simple device that Group of answer choices allow gas flow in only one direction keeps a flask sealed does all of these keeps the salts from plugging the tube

Respuesta :

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.