a. Colloids contain particles bigger than those is solution and suspension.
-WRONG. Among the three po suspensions have the biggest particles, followed by colloid, then solution.
b. Colloids contain particles that do not settle due to Brownian movement.
-This is TRUE.
c. A ray of light is not deflected when it hits a colloid due to its small size.
-Colloid deflect/scatter light so this is WRONG.
