Mixtures and Solutions | Project 2 - Colloids: Can colloids be distinguished from suspension using the Tyndall effect?

Project 2
Colloids: Can colloids be distinguished from suspension using the Tyndall effect?

Purpose

In this project, you will demonstrate how the Tyndall effect can be used to show that a mixture that looks like a solution is actually a colloid.

Level of Difficulty

Moderate.

Troubleshooter's Guide

Here is a problem that may arise during this experiment, a possible cause, and a way to remedy the problem.

Problem: The sand and water sample will not pass through the filter.

Possible cause: The sand is preventing the water from passing through the funnel. Set the apparatus aside and allow time for the water to filter slowly through the sand and the filter. This may take awhile.

Materials Needed

  • flashlight
  • black...

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