You notice that you cannot read your book through a test tube of patient fluid held against the print, making it so blurred as to be unreadable. There is no precipitant in the bottom of the beaker, though it has been sitting for several days in a rack. What type of liquid is this?

Question

Quizplus · Accepted Answer

The description fits a colloid, which is a homogeneous mixture where the particles are small enough to remain evenly distributed but large enough to scatter light (Tyndall effect), causing the blurring effect observed. Unlike suspensions, colloids do not settle upon standing.

You Notice That You Cannot Read Your Book Through a Test