Bell metal is an alloy of
A. Nickel and Copper
B. Zinc and Copper
C. Brass and NickelD. Tin and Copper

Copper and tin

Bell metal is a hard alloy used for making bells and related instruments, such as cymbals. It is a form of bronze with a higher tin content, usually in approximately a 4:1 ratio of copper to tin typically, 78% copper, 22% tin by mass. Cymbals are used in many ensembles ranging from the orchestra, percussion ensembles, jazz bands, heavy metal bands, and marching groups.