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Chemistry

Chemistry · Quick practice · answer shown after each question

Extraction of metals and industrial processes

Question 1 of 10

Question 1 of 10

Aluminium does not corrode easily because

Question 2 of 10

Question 2 of 10

In the Contact process, SO₃ is absorbed in

Question 3 of 10

Question 3 of 10

Rusting of iron requires

Question 4 of 10

Question 4 of 10

Explain why aluminium is extracted by electrolysis and not by reduction with carbon. Describe the electrolysis of alumina, including the electrode reactions.

Question 5 of 10

Question 5 of 10

The Haber process manufactures

Question 6 of 10

Question 6 of 10

Gold is found native (uncombined) because it is unreactive.

Question 7 of 10

Question 7 of 10

The main ore of iron is ___.

Question 8 of 10

Question 8 of 10

Bronze is an alloy of

Question 9 of 10

Question 9 of 10

The main ore of aluminium is

Question 10 of 10

Question 10 of 10

Steel is

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.