Nitrogen Phosphorus And Their Compounds GCE Revision Questions Chemistry
1. (a) Use diagrams to describe how suitable starting materials can be used to prepare and collect.
- A sample of dry ammonia gas in the laboratory.
- Aqueous ammonia (ammonium hydroxide)
(b) Describe what would be observed when excess ammonium hydroxide is added to
- copper(ii)sulphate
- iron(ii) sulphate
2. Describe the Haber process for the manufacture of ammonia.
(b) Show how the ammonia may be used to produce nitric acid on a large scale.
(c) Give three uses ammonia and nitric acid.
3. Ammonia is manufactured from nitrogen and hydrogen by Haber process
(a) Give the source and method of obtaining each of the gases.?
(b) What is the heat change for backward reaction?
(c) What could be the effect on the yield of the ammonia if
- the temperature is lowered?
- the pressure is lowered?
- ammonia is removed as soon as it is formed.
(d) Ammonia reduces copper(ii) oxide to the metal; write a balanced equation for the reaction.
4. Nitric acid is both a very strong acid and a powerful oxidizing agent. Give an example of each of these behaviors.
5. Give a natural process that converts atmospheric nitrogen into nitrogen compounds.
6. Name two plants that can habour bacteria that are capable of absorbing and converting atmospheric nitrogen into nitrogen compounds.
7. How do get the nitrogen found in their body tissues.?
Meets up with settings of the G.C.E. Ordinary Level Chemistry examination organised by the Cameroon G.C.E. Board.
Essay questions and structural questions covering the whole of Ordinary Level Chemistry Syllabus from form three to five.
Use of Chemistry revision questions.
Above questions are revision questions for "Nitrogen, phosphorous and their compounds" for ordinary level (o level).
Candidates can use the above questions to prepare for the Cameroon General certificate of examination board GCE chemistry.
The questions are not only for Cameroonians preparing for the G.C.E but they are revision questions for all students world wide preparing for the GCE or any other Examination.
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