Question

question 3. classify the following examples as a homogeneous or heterogeneous mixture. a) table salt dissolved in water b) oil and water c) steel d) coffee e) cereal in milk f) tacos g) salad h) vinegar

Explanation:

• a) Table salt dissolved in water forms a homogeneous mixture as the salt uniformly disperses at a molecular - level.
• b) Oil and water form a heterogeneous mixture as they do not mix and separate into distinct layers.
• c) Steel is a homogeneous mixture (alloy) of iron and other elements, with a uniform composition throughout.
• d) Coffee is a homogeneous mixture when well - mixed, with dissolved substances uniformly distributed.
• e) Cereal in milk is a heterogeneous mixture as the cereal and milk are distinct phases.
• f) Tacos are a heterogeneous mixture with different components like tortilla, fillings, etc. that are not uniformly distributed.
• g) Salad is a heterogeneous mixture with various vegetables and other ingredients that are not uniformly combined.
• h) Vinegar is a homogeneous mixture, typically a solution of acetic acid in water with a uniform composition.

Answer:

a) Homogeneous Mixture
b) Heterogeneous Mixture
c) Homogeneous Mixture
d) Homogeneous Mixture
e) Heterogeneous Mixture
f) Heterogeneous Mixture
g) Heterogeneous Mixture
h) Homogeneous Mixture