Monday
March 30, 2015

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.
Water
125mL beaker
Watch glasses
Small scoops
Magnets
Filter paper
Test tubes/rack
Hotplates

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