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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

Target Level

4-5

Running Total

Attempt

1 of 3

Drag and drop the boxes into the correct order.

Reorder the steps to describe the Haber process.

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

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

Pass Mark

70%