question_answer 34)

 Explain the terms with suitable examples (i) Alcosol (ii) Aerosol and (iii) Hydroso

Answer:

(i) Alcosol. It is a colloidal sol having alcohol as the dispersion medium, e.g., collodion is a colloidal sol of nitrocellulose in alcohol. (ii) Aerosol is a colloidal system having a solid or a liquid dispersed in a gas.

• Aerosols of solids—Smoke, dust storm.
• Aerosols of liquids—Fog, clouds, mist.