Study the following statements.
1. Two immiscible liquids are separated by separating funnel.
2. Latest technique for purification, isolation and separation of organic compounds is chromatography.
3. Oils are purified by steamdistillation.
Which of the statements given above are correct?

A. 1 and 2

B. 2 and 3

C. 1 and 3

D. 1, 2 and 3

Answer: Option D