Mixtures, pure susbstances, melting point etc

Select what this picture shows.

• Molecule

• Compound

• Mixture

• An atom

Select what this picture shows.

• Molecule

• Compound

• Mixture

• An atom

Select what this picture shows.

• Molecule

• Compound

• Mixture

• An atom

Write down how many elements are in this mixture.

Select the correct meaning for 'pure substance'.

• A substance with a fixed boiling and melting point.

• A substance with an unfixed boiling and melting point.

• A substance with a foxed boiling and melting point.

• A substance with an unstable boiling and melting point.

Select the image which shows an impure substance.

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• 
• 

Finish this sentence. The boiling point is the temperature that a substance becomes a ...

At room temperature mercury is a ...

• solid.

• liquid.

• gas.

• crocodile.

Mercury is a .......... sustance.

• pure

• pour

• poor

• impure

Select a technique for seperating this mixture.

• combustion

• evapouration

• condensation

• distillation