Solubility Practical

This lesson looks at how we can investigate solubility, potential sources of error in investigations and identifying ways in which can improve our method.

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:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of the following is the correct definition for 'solubility'?

The mass of liquid that will dissolve 100cm³ of solid The mass of insoluble solid that can be found in 100cm³ of solvent The mass of soluble solid that will dissolve in 100cm³ of ethanol The mass of soluble solid that will dissolve in 100cm³ of water

1/5

Q2.What is a solvent?

A substance that others can dissolve in A substance that is able to dissolve A substance that is unable to dissolve The mixture created when a solute and a solution are added together

2/5

Q3.What does distillation separate liquids based on?

Their temperature Their melting point Their boiling point Their pH

3/5

Q4.What is meant when a solution is described as being 'saturated'?

Lots of space between the particles for more solute to dissolve No space left between the particles so no more solute can dissolve Contains fat as well as a solvent and a solute The temperature is so high that no more solute can dissolve

4/5

Q5.What happens to the arrangement of particles during freezing?

Particles move further apart into a random arrangement Nothing - the particles stay in the same arrangement Particles move closer together into a regular arrangement

5/5

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:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of the following is the correct definition for 'solubility'?

1/5

Q2.What is a solvent?

A substance that others can dissolve in A substance that is able to dissolve A substance that is unable to dissolve The mixture created when a solute and a solution are added together

2/5

Q3.What does distillation separate liquids based on?

Their temperature Their melting point Their boiling point Their pH

3/5

Q4.What is meant when a solution is described as being 'saturated'?

4/5

Q5.What happens to the arrangement of particles during freezing?

Particles move further apart into a random arrangement Nothing - the particles stay in the same arrangement Particles move closer together into a regular arrangement

5/5

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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:

Solubility Practical

This quiz will test your knowledge from this lesson and your prior learning.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of the following was a potential source of error in today's solubility practical?

Volume of solute on teaspoon/spatula Volume of solvent Consistent stirring Too many spoonfuls/spatulas

1/5

Q2.Which of the following should be the first step in the method for today's practical?

Add one level filled spatula of solute to the solvent Count how many spatulas you have put in altogether Measure out 100cm³ of solvent into a beaker Continue to add extra spatulas of solute until they no longer dissolve

2/5

Q3.Chromatography separates solutes based on their...

Temperature Colour Ink Solubility

3/5

Q4.Which of the following factors will NOT affect the pressure in a gas?

pH Temperature Volume Altitude

4/5

Q5.How can we check whether a set of results are reproducible?

Do the experiment again yourself and see if you get the same results Compare your results to someone else's results and see if they are the same Repeat the experiment with a different independent variable and see if you get the same results

5/5

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:

Solubility Practical

This quiz will test your knowledge from this lesson and your prior learning.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of the following was a potential source of error in today's solubility practical?

Volume of solute on teaspoon/spatula Volume of solvent Consistent stirring Too many spoonfuls/spatulas

1/5

Q2.Which of the following should be the first step in the method for today's practical?

2/5

Q3.Chromatography separates solutes based on their...

Temperature Colour Ink Solubility

3/5

Q4.Which of the following factors will NOT affect the pressure in a gas?

pH Temperature Volume Altitude

4/5

Q5.How can we check whether a set of results are reproducible?

5/5

Lesson summary: Solubility Practical

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