Question

which of the following is not true of silver?
a. it has the highest electrical conductivity of all metals.
b. it is a precious metal used to make ornaments, jewelry, and utensils.
c. it is a copper alloy, usually mixed tin as the main additive.
d. it is very ductile and malleable, slightly harder than gold.
please select the best answer from the choices provided

Explanation:

Silver is not a copper alloy. It is a pure metal. Option c describes bronze (a copper - tin alloy) or some other alloy, not silver. Silver has high electrical conductivity (a is true), is a precious metal used in ornaments etc. (b is true), and is ductile, malleable and slightly harder than gold (d is true).

Answer:

C