Question

a solution of solids is a(n)___________.
heterogeneous mixture
alloy
pure metal
feedback: an alloy is a solid in solid solution.
filtration

Explanation:

An alloy is defined as a solid - in - solid solution. A heterogeneous mixture has non - uniform composition. A pure metal is just one metal element and not a solution of solids. Filtration is a separation technique, not a type of solution of solids.

Answer:

alloy