Separation Techniques (Paper 2)

Which method is used to remove the unreacted copper oxide?

• A

• B

• C

• D

Answer explanation

Which processes are used to obtain pure salt crystals?

• A

• B

• C

• D

Answer explanation

Which apparatus is used to separate a mixture of these two liquids?

• A

• B

• C

• D

Answer explanation

Which processes are used to obtain pure sodium chloride from the mixture?

• A

• B

• C

• D

Answer explanation

Which process is used to obtain a pure sample of liquid Q from this mixture?

• A

• B

• C

• D

Answer explanation

Which process is used to separate a mixture of coloured compounds?

• A

• B

• C

• D

Answer explanation

Which method can be used to separate graphite from dilute nitric acid?

• A

• B

• C

• D

Answer explanation

How many inks contain a dye with an R_f value of 0.7?

• A

• B

• C

• D

Answer explanation

Which two processes are used to separate the water from the chalk and salt?

• A

• B

• C

• D

Answer explanation

Which processes are used to obtain pure salt crystals?

• A

• B

• C

• D

Answer explanation