What effect do impurities have on a sample’s melting point?
A) Impurities do not have an impact on the melting point of the sample.
Graded exam 12/10/24-12/12/24. Copyrighted material you do not have permission to post this question on the internet.
B) A sample that contains a small amount of impurities quite often does not melt but sublimes instead.
C) While there are exceptions a small amount of impurities lower the observed melting point, regardless of the impurity's melting point.
D) Impurities always raise the observed melting point.