Respuesta :

Acetic acid and ether are pure substance because they can not be further broken down.

What is a homogeneous mixture?

A homogenous mixture consists only of single phase. A solution is comprised of a solute and a solvent while a colloid is a false solution.

The following is a classification of each of the items;

1- Acetic acid - pure substance

2- Ether - pure substance

3- Vinegar - homogeneous mixture

4- Gravy - colloid

5- Beef stew - colloid

6- Seltzer water - solution

7- Salad - colloid

Learn more about homogenous mixture:https://brainly.com/question/24898889

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Mising parts;

Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.

1- Acetic acid

2- Ether

3- Vinegar

4- Gravy

5- Beef stew

6- Seltzer water

7- Salad