Metals, Plastics, Fertilisers, Nuclear Chemistry Worksheet - National 5 Unit 3 Page 9
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13Exercise 8 – Ammonia
Decide whether each of the following statements are:
A: True
or
B: False
1. Ammonia is made in industry from nitrogen and water.
2. The reaction is likely to be carried out at a very low temperature.
3. The catalyst increases the rate of the reaction.
4. The reaction is called the Haber Process.
5. An iron catalyst is used in the reaction.
6. Ammonia gas is cooled to remove it from the unchanged reactants.
7. The nitrogen for the reaction is obtained from nitrogen oxides.
8. The gases in the reaction chamber are kept at low pressure.
9. The catalyst is used to prevent the ammonia decomposing.
10. One of the reactants is obtained from methane (natural gas).
11. All the reactants are converted to ammonia.
12. Ammonia is produced from nitrogen and hydrogen.
13. The catalyst is used up in the reaction.
14. The word equation for the reaction is:
Nitrogen oxide + hydrogen
ammonia + oxygen
15. The unchanged reactants can be recycled.
16. The catalyst provides the surface on which the reaction takes place.
17. Ammonia is used to make fertilisers.
18. The catalyst speeds up the formation of ammonia.
19. The nitrogen for the reaction is obtained by fractional distillation of liquid air.
20. The reaction is likely to be carried out at a very high temperature.
21. Using your knowledge of chemistry, describe the properties and uses of ammonia, this
could include the industrial production of ammonia.
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