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This test is run by .
Note that your final mark will not be saved in the system.

Using materials and the Haber process Reorder

Running Total

Attempt

1 of 3

Drag and drop the boxes into the correct order.

Reorder the steps to describe the Haber process.

The gases are passed over an iron catalyst
The hydrogen and nitrogen are recycled back into the reaction chamber for re-use
Both gases are purified
Hydrogen is taken from natural gas, nitrogen is taken from the air
The mixture of gases from the chamber is cooled; ammonia liquefies and separates
The gases are pressurised to 200 atm at a temperature of 450 °C

This is your 1^st attempt! The marking algorithm gives more marks for getting the right order first time.

Pass Mark

70%