Separation Techniques

Question 1 of 8

1

A mixture is made up of lots of substances that are chemically joined together.

Select one of the following:

True
False

Explanation

Question 2 of 8

1

Select from the dropdown lists to complete the text.

In a mixture, the substances ( are not, are ) chemically joined together, it ( is, is not ) easy to separate, you ( can, cannot ) change the amounts of each substance and the substances in a mixture ( keep, do not keep ) their own properties.
In a compound, the substances ( are, are not ) chemically joined together, it ( is not, is ) easy to separate, you ( cannot, can ) change the amounts of each substance and the substances in a mixture ( do not keep, keep ) their own properties.

Explanation

Question 3 of 8

1

How can you tell whether a substance is pure or impure?

Select one or more of the following:

Pure substances have sharp melting points.
Pure substances do not have sharp melting points.
Impure substances have sharp melting points.
Impure substances do not have sharp melting points.

Explanation

Question 4 of 8

1

A solution is a mixture of a liquid with a solid or a gas. The liquid is called is called the solvent. The solid or gas is called the solute.

Select one of the following:

True
False

Explanation

Question 5 of 8

1

Fill the blank spaces to complete the text.

In a coffee solution, the coffee beans dissolve into water. This makes the coffee beans the and the water the .

Explanation

Question 6 of 8

1

Click on each orange point and select the correct answer.

Which of these is particles in a solid, which is particles in a liquid, and which is particles in a solution?

Explanation

Question 7 of 8

1

Fill the blank space to complete the text.

When you dissolve sugar in water, eventually the water cannot dissolve any more sugar. At that point, the water is a .

Explanation

Question 8 of 8

1

If in 100g of water at 20 degrees Celsius, the solubility of sugar was 202 and the solubility of salt was 36, then the ❌ is more soluble than the ❌ in 100g of water at 20 degrees Celsius.

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sugar

salt

	Created by jlgale2016 almost 10 years ago

KS3 Sciences (Chemistry) Quiz on Separation Techniques, created by jlgale2016 on 04/06/2016.

Separation Techniques

Question 1 of 8

A mixture is made up of lots of substances that are chemically joined together.

Select one of the following:

Explanation

Question 2 of 8

Select from the dropdown lists to complete the text.

Explanation

Question 3 of 8

How can you tell whether a substance is pure or impure?

Select one or more of the following:

Explanation

Question 4 of 8

A solution is a mixture of a liquid with a solid or a gas. The liquid is called is called the solvent. The solid or gas is called the solute.

Select one of the following:

Explanation

Question 5 of 8

Fill the blank spaces to complete the text.

In a coffee solution, the coffee beans dissolve into water. This makes the coffee beans the and the water the .

Explanation

Question 6 of 8

Click on each orange point and select the correct answer.

Which of these is particles in a solid, which is particles in a liquid, and which is particles in a solution?

Explanation

Question 7 of 8

Fill the blank space to complete the text.

When you dissolve sugar in water, eventually the water cannot dissolve any more sugar. At that point, the water is a .

Explanation

Question 8 of 8

If in 100g of water at 20 degrees Celsius, the solubility of sugar was 202 and the solubility of salt was 36, then the ❌ is more soluble than the ❌ in 100g of water at 20 degrees Celsius.

Drag and drop to complete the text.

Explanation