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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Definitions:

Direct Labour

The workforce directly involved in producing goods or delivering services, whose costs are directly attributable to the products or services.

Manufacturing Overhead

All manufacturing costs except direct materials and direct labor.

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