Answer:
correct option is B. the purity of a sample of gold
Explanation:
given data
expression = 24 karat
solution
As Karat is used with gold
and it is an measure of the unit of purity of gold
with 24 karat gold is an pure gold
pure gold is very soft so we mix silver or copper and that its each karat indicate that [tex]\frac{1}{24}[/tex]th of whole unit
so we can say correct option is B. the purity of a sample of gold
