What type of investigation could the students conduct to determine the correct order for the liquids?

Use the pH color scale. It shows acidity level of both acids and bases. You dip one of the pH strips into whatever liquid you choose, and then compare the new color of the pH strip to the colors on the scale. This will tell you the level of acidity. pH scale can be found below. As you can see, the brighter colors are more acidic than the darker and duller colors.

What type of investigation could the students conduct to determine the correct order for the liquids?

✔ comparative

The type of liquid is the

✔ independent variable

.

The pH is the

✔ dependent variable

.

Explanation:

A teacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and pH indicator strips, which measure acidity. The teacher asks the students to put the liquids in order from most acidic to most basic.

That is your Hint I guess but the answer is on the top left

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