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Assignment 7-2: 1. What is a colloid and its characteristics? 2. What is zeta potential? 3. How do you use zeta potential to estimate the

Assignment 7-2: 1. What is a colloid and its characteristics? 2. What is zeta potential? 3. How do you use zeta potential to estimate the stability of a colloid system? 4. Use contact angle to category the wettability of a solid surface in liquid

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