What Is the Purpose of Adding Aluminum Salts and a Base

question 56

Multiple Choice

What is the purpose of adding aluminum salts and a base to water during water treatment?

• A)The two together gel and trap dirt and bacteria.
• B)The higher pH kills bacteria.
• C)The aluminum removes the rust taste from the water.
• D)The base dissolves the dirt.
• E)It improves the taste.

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