Select the correct answer.
Consider a mixture of soil and water and compare it to a colloid, such as milk. Which property best differentiates these two mixtures?
A.
Soil and water is a suspension because it consists of minute particles suspended in the medium. Milk is a colloid because it consists of larger particles suspended in the medium, which start to settle when allowed to stand.
B.
Soil and water is a colloid because it consists of minute particles suspended in the medium. Milk is a suspension because it consists of larger particles suspended in the medium, which start to settle when allowed to stand.
C.
Soil and water is a colloid because it has a uniform composition. Milk is a suspension because it doesn’t have a uniform composition.
D.
Soil and water is a suspension because it consists of larger particles suspended in the medium, which start to settle when allowed to stand. Milk is a colloid because it consists of minute particles that remain suspended in the medium.
E.
Soil and water is a suspension because it has a uniform composition. Milk is a colloid because it doesn’t have a uniform composition.