3.—All property which—

(a) immediately before the commencement of this Act was the separate property of a married woman or held for her separate use in equity, or

(b) belongs at the time of her marriage to a woman married after such commencement, or

(c) after such commencement is acquired by or devolves upon a married woman,

shall belong to her as if she were unmarried and may be disposed of accordingly.