January 29, 2015

Homework Help: chemistry

Posted by CC on Saturday, February 13, 2010 at 12:17am.

A colloid is the dividing line between solutions and heterogenous mixtures.
What is the exact particle size of a colloid compared to the exact particle size of a solution.

A. over 1000nm compared to 0.1-1nm
B. 1-1000nm compared to 0.01-1nm
C. 0.10-1nm compared to 1-1000nm
D. 100nm compared to 1-100nm

I chose A but that was wrong so I was thinking it was B because it should be smaller than 1000nm but not sure.

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