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Form A: Separating Mixtures
Purpose:
Use selected physical characteristics of pure substances to separate a mixture of five components.
Summary:
After investigating the different properties of substances, identify a sequence of physical separations which will isolate each component of a mixture.
Objectives Links:
1. D: Compounds
Process Skills Checklist
Materials:
- funnels
- Erlenmeyer flask
- magnet
- filter paper
- distilled water
- beakers
- hot plates
- clamps
- salt
- sand
- powdered iron filings
- benzoic acid
- sawdust
Safety Concerns:
Use adequate ventilation. Heat is used.
Form B: Separation of Mixtures
Purpose:
Purify a sample of dirty water using techniques similar to real water treatment plants.
Summary:
- Decant
- Alum coagulation
- Add chlorine
- Filter with charcoal
- Test conductivity
- Distillation
- Test conductivity
Objectives Links:
1. D: Compounds
Process Skills Checklist
Materials:
- classroom set of filtering apparatus
- conductivity testing equipment
- distillation equipment for demonstration
Safety Concerns:
Standard safety procedures.
Revision Date:
Summer 2001
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