The following is hydrophobic colloid (a) Gelatin (b) Gum (c) starch (d) Sulphur
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sulphur is the ans... ..............
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Answer:
(c) Sulphur.
Explanation:
The colloidal system in which the dispersed phase have no affinity for the dispersion medium are called lyophobic (solvent hating) colloids. They are easily precipitated (or coagulated) on the addition of small amounts of the electrolyte, by heating or by shaking. They are less stable and irreversible. When the dispersion medium is water, these are known as hydrophobic colloids and sulphur when mixing with water does not form colloidal sol as it if hydrophobic.
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