Chapter 5 All about Water

Front

What is ozonation in water treatment?

Back

Ozonation is a water treatment process that uses ozone gas to disinfect water and remove contaminants.

Front

True or False: Microorganisms make the water smell worse when using ozonation in water treatment plants.

Back

False

Front

What is ocean acidification?

Back

Ocean acidification refers to the decrease in pH levels of the ocean due to the absorption of excess carbon dioxide from the atmosphere.

Front

What happens to coral reefs during ocean acidification?

Back

Coral reefs become bleached, which is a loss of pigment and algae.

Front

Which substance is the most acidic: tomato juice, stomach acid, ammonia, or blood?

Back

Stomach acid is the most acidic.

Front

In an aqueous solution, what is the solvent?

Back

Water is the solvent in an aqueous solution.

Front

What is an aquifer?

Back

An aquifer is an underground layer of water-bearing rock that can yield water to wells and springs.

Front

Define the term 'pH'.

Back

pH is a measure of how acidic or basic a solution is, on a scale of 0 to 14.

Front

What is the significance of water's high specific heat?

Back

Water's high specific heat allows it to absorb and retain heat, helping to regulate temperature in the environment.

Front

What role do microorganisms play in water treatment?

Back

Microorganisms can help break down organic matter and contaminants in water, but some can also produce odors.