Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

The table provides details on five substances.
(a)[1]

Which substance in the table shows ionic bonding?

(b)[1]

Which substance in the table has a giant covalent structure?

(c)[1]

Name a method you could use to separate a mixture of substance J and water.

(d)[2]

Name a method you could use to obtain substance F from a mixture of substance F and water.

(e)[3]

Describe how you could obtain a solid sample of substance H from a mixture of substance H and substance G.

(f)[2]

Describe how substance J can conduct electricity while it is solid.

Worked solution & mark scheme

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