Pure and impure formulations

This lesson will explain the difference between pure and impure substances, and define a formulation.

Video

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Purity and Formulations

This quiz will test your knowledge from this lesson and previous lessons

Q1.True or false: A formulation is a list of ingredients

1/4

Q2.Which three of these are true for a pure substance? Tick all that apply.

Select three (3) boxes

2/4

Q3.Which four of these are examples of formulations? Tick all that apply.

Select four (4) boxes

3/4

Q4.Why do we put salt on the roads?

4/4

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Purity and Formulations

This quiz will test your knowledge from this lesson and previous lessons

Q1.True or false: A formulation is a list of ingredients

1/4

Q2.Which three of these are true for a pure substance? Tick all that apply.

Select three (3) boxes

2/4

Q3.Which four of these are examples of formulations? Tick all that apply.

Select four (4) boxes

3/4

Q4.Why do we put salt on the roads?

4/4

Lesson summary: Pure and impure formulations

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The next lesson in:
Chemical analysis (FT)
is:
Chromatography

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