Carbon And its Compounds GCE Revision Questions Chemistry
1. Carbon is an element which exhibits ALLOTROPY. Compounds of carbon often exhibit ISOMERISM. by referring to crystalline carbon as suitable carbon compounds,
(a) explain clearly the meaning of
- ALLOTROPY
- ISOMERISM
(b) Choose one crystalline form of carbon and show how it influences its physical properties and hence its uses in every day life.
(c) How would you prove that the allotropic forms described above consist of the element carbon?
2. When limestone is strongly heated, a reaction takes place.
(a) State the type of reaction taking place.
(b) From 20g of limestone, calculate.
- the mass of calcium oxide obtained
- the volume at r.t.p of carbon dioxide produced.
- the mass of carbon dioxide produce.
(c) Name a carbonate that will not behave like limestone when heated.
3. Diamond and graphite are allotropes of carbon.
(a)
- What are allotropes?
- Draw a diagram to show the structural differences between diamond and graphite.
(b) Describe simple expiriment to show that diamond and graphite are just forms of the same element.
(c) Explain the following
- graphite a form of carbon conducts electricity.
- diamond is such a hard substance.
Credits to :
Chemistry in Practice.
By Njike Nchopah Kits Ndula David Funjong George
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 "Carbon and its 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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