Answer:
A. Coliod
Explanation:
How can it be demonstrated that colloidal particles are electrically charged?
GLOSSARY
amphiphilic
molecules possessing both hydrophobic (nonpolar) and a hydrophilic (polar) parts
colloid
(also, colloidal dispersion) mixture in which relatively large solid or liquid particles are dispersed uniformly throughout a gas, liquid, or solid
dispersion medium
solid, liquid, or gas in which colloidal particles are dispersed
dispersed phase
substance present as relatively large solid or liquid particles in a colloid
emulsifying agent
amphiphilic substance used to stabilize the particles of some emulsions
emulsion
colloid formed from immiscible liquids
gel
colloidal dispersion of a liquid in a solid
Tyndall effect
scattering of visible light by a colloidal dispersion
Solutions