1. Explain why lyophobic sol is less stable compare to lyophilic sol (you should relate
with colloid charge property and solvation)
2. State 3 levels of process of Bredig's Arc method?
3. Using your own words, explain the importance of physicochemical in material
research.
4. Explain, why Lyophobic colloid needs special method of preparation
5. Explain why in preparation for emulsion, the emulsifying agent is a must.
1. Explain why lyophobic sol is less stable compare to lyophilic sol (you should relate with colloid charge property a
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1. Explain why lyophobic sol is less stable compare to lyophilic sol (you should relate with colloid charge property a
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