The correct options are
A It has self lubricating property.
D It is used in manufacturing artificial hip joints used for the patients with arthritis.
The statements (C) and (D) are true. It is white, dense, highly crystalline, extremely chemically inert compound. It is poor electrical conductor. Hence, it is used for electrical insulation and preparation of gasket materials. It has self lubricating property. Due to this, it is used in the preparation of low adhesive surfaces. It is used in manufacturing artificial hip joints used for the patients with arthritis.