1. Task 1 Separating Substances
14/11/2018
Task 1 Separating Substances
BTEC Level 3 Applied Science Unit 3 Assignment 1

2. How can we separate substances?
14/11/2018
P2 Demonstrate use of scientific techniques to separate substances.
P3 Estimate the purity of samples using scientific techniques.
M2 Describe the factors that influence purity
D2 Evaluate the accuracy of the methods used to estimate the purity of the samples
Keywords
Mixture, precipitation; crystallisation; filtration; drying; distillation; solvent extraction; chromatograph y; electrophoresis; centrifugation.
Define the following words
Atom, Element, Compound, Mixture

3. Why do we need to separate substances?
You’ve been given a mixture of
Sand
Salt
Iron Fillings
Sugar
Water
How can you separate them?
P2 Demonstrate use of scientific techniques to separate substances. P3 Estimate the purity of samples using scientific techniques. M2 Describe the factors that influence purity D2 Evaluate the accuracy of the methods used to estimate the purity of the samples
Keywords - Mixture, precipitation; crystallisation; filtration; drying; distillation; solvent extraction; chromatography; electrophoresis; centrifugation.

4. Write an introduction about the uses of steam distillation
Draw the apparatus
Write a method – with an explanation of each step
Write a risk assessment
How is the mixture of essential oil and water separated?
P2 Demonstrate use of scientific techniques to separate substances. P3 Estimate the purity of samples using scientific techniques. M2 Describe the factors that influence purity D2 Evaluate the accuracy of the methods used to estimate the purity of the samples