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Detergents - Test

1.

What is the function of the optical brighteners used in washing powders?

2.

Sparkling water consists of carbon dioxide dissolved in water. Which answer describes the carbon dioxide in this situation?

3.

What happens if a biological washing powder is used at a high temperature?

4.

What is the cleaning agent used when clothes are dry cleaned?

5.

Acetone is used to remove nail polish because the polish:

6.

Which of the answers is NOT true of detergents?