Question

An alloy is a ________________ mixture of two or more metals, or a metal and a nonmetal.
a.) Heterogeneous
b.) Homogeneous
c.) Both A and B
d.) None of the above

Answer 1

Hint: A mixture which contains equal proportions of the components throughout any sample of the mixture is called a homogeneous mixture, whereas in a heterogeneous mixture the composition of the components vary for any given sample taken.

Complete step by step answer:
An alloy is a mixture of two or more metals,or a metal and a nonmetal, in which the composition of each element used is uniform throughout the volume. Brass(copper and zinc),bronze(copper and tin) and steel(iron and carbon) are a few examples of alloys. Since the composition of substances in the alloy remains uniform throughout any given sample, it can be considered as a homogeneous mixture.
So, the correct answer is “Option B”.

Note: Alloys are made in such a way that the resulting alloy has the desirable properties of the components used .For this to happen, the right amount of components should be used to achieve a desirable constitution ,else it will produce a defective batch of alloys which might even be useless. For example, steel is generally a mixture of iron and carbon, with a carbon content in between 0.002% and 2.14% by weight. Too much carbon makes the steel brittle and unusable, and less carbon makes the steel soft and ductile. Alloys are preferred over regular metal due to their lower reactivity and higher versatility, due to its homogeneity.