The correct options are
C Silver is used in silver plating.
D It is used in the preparation of silver salts used in silvering of mirrors, photography and medicine.
The following are true regarding uses of silver.
Silver amalgam is used in filling teeth.
Silver leaves are used in Ayurvedic and Yunani medicines.
Silver is used in silver plating.
It is used in the preparation of silver salts used in silvering of mirrors, photography and medicine.