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OtisamLMS
Chemistry

Chemistry · Quick practice · answer shown after each question

Industrial and environmental chemistry

Question 1 of 10

Question 1 of 10

Temporary hardness of water can be removed by

Question 2 of 10

Question 2 of 10

Iron is extracted from its ore in the

Question 3 of 10

Question 3 of 10

The Haber process is used to manufacture

Question 4 of 10

Question 4 of 10

In the extraction of iron, limestone is added to the blast furnace to

Question 5 of 10

Question 5 of 10

Hard water contains dissolved

Question 6 of 10

Question 6 of 10

In the Haber process, typical conditions are about

Question 7 of 10

Question 7 of 10

The ozone layer is damaged by

Question 8 of 10

Question 8 of 10

Acid rain is mainly caused by

Question 9 of 10

Question 9 of 10

Acid rain is caused mainly by

Question 10 of 10

Question 10 of 10

The Haber process uses an iron catalyst to make

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