Which one of the following statements is not true? [JEE Main 2020, 6 Sep (Shift 2)]

Lactose contains \(\alpha\)-glycosidic linkage between \(C_1\) of galactose and \(C _4\) of glucose.

Lactose is a reducing sugar and it gives Fehling's test.

On acid hydrolysis, lactose gives one molecule of \(D (+)\) - glucose and one molecule of \(D (+)\)-galactose.

Lactose \(\left( C _{11} H _{22} O _{11}\right)\) is a disaccharide and it contains 8 hydroxyl groups.