Chemistry Revision KS3

Which technique would you use to obtain pure ethanol from wine?

• Chromatography

• Evaporation

• Distillation

• Filtration

Which of one of these techniques would you use to remove ethanol from wine?

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Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What gas turns lime water milky?

• Nitrogen

• Hydrogen

• Carbon Dioxide

• Oxygen

Tags

NGSS.MS-PS1-2

Bicarbonate of Soda is an Alkali. Vinegar is an acid. If you mix them together, the reaction that takes place is known as:

• Neutralisation

• Reduction

• Oxidation

• Combustion

How many atoms are there in this molecule?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

Which 2 of these are pure elements?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Which one of these is a mixture?

• A

• B

• C

• D

Which one of these is a pure compound?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Which nails would not rust?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

Which of these would rust?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2