(a)[2]
Name apparatus A and apparatus B.
(b)[2]
Identify any two faults in the assembled apparatus shown in the diagram.
(c(i))[1]
State why apparatus B is not heated directly over the flame of a Bunsen burner.
(c(ii))[1]
Name one item of apparatus used to heat without a flame.
(d)[2]
When apparatus A is used vertically for heating, this is known as heating under reflux. Describe what occurs after the vapours from apparatus B enter apparatus A.