October 27, 2016

Homework Help: chemistry

Posted by sammy on Sunday, September 21, 2008 at 5:06pm.

I need to create an experiment to seperate and identify the components of an unknown heterogeneous mixture and to recover as much of the seperated solid components as possible.

The unknown mixtures may contain up to 4 of the following substances, one or none from the following categories.
Category A: iron fillings
Category B: salt or cobalt chloride
Category C: carbon or chalk
Category D: sand

Here are the materials that will be available.
125mL beaker
Watch glasses
Small scoops
Filter paper
Test tubes/rack

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