Chapter 17 Environmental Engineering

Which of the following has the lowest pH? A. Bleach B. Milk C. Soap D. Vinegar

Based on your answer, what is the estimated pH range? Due to this range, is this substance more alkaline or more acidic? Please explain in your answer.

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Single-cell microorganisms that do not have a nucleus are called

• Fungus

• Atoms

• None of the above

• Permeability

Gold

• element

• compound

• mixture

Seawater

• element

• compound

• mixture

Ice

• element

• compound

• mixture

A Big Mac

• element

• compound

• mixture

What are the differences between elements, compounds, and mixtures? Be sure to consider homogenous and heterogenous mixtures? Please provide 3 examples of each.

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Water

• Compound

• Heterogenous

• Homogenous

A solution with a pH of 3.2 would be a

• base

• acid

• neutral

• acid and base

Explain the effect that pH has on water quality and contaminants.

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Tags

NGSS.MS-PS1-2