Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis)
The protective action of different colloids is compared in terms of..........

Explanation

To fill in the blank in the statement "The protective action of different colloids is compared in terms of __________," we need to identify the appropriate term from the provided options.

### Step-by-Step Solution:

1. **Understanding the Context**: The question is about comparing the protective action of different colloids. Protective colloids are substances that help stabilize colloidal solutions against destabilization.

2. **Identifying the Relevant Term**: The term that is commonly used to compare the protective action of colloids is the "gold number." The gold number indicates the amount of protective colloid required to prevent the coagulation of a specific amount of a colloidal solution when a certain amount of an electrolyte is added.

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