(22) The line AC represents:
(a) The composition of 100% A, 0% B and 100% C components
(b) The composition of 0% A, 100% B and 0% C components
(c) The composition of a mixture of 50% A and 50% C components
(d) None
(23) The point designated by the arrow Y represents:
(a) The eutectic point of the binary A-C system.
(b) The eutectic point of the ternary system
(c) The melting point of the ternary solid phase system
(d) None
(24) The axis designated by the arrow G represents:
(a) The pressure axis
(b) The composition axis