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Form Four Chemistry Theory Paper 2 Question Paper

Form Four Chemistry Theory Paper 2 

Course:Secondary Level

Institution: Mock question papers

Exam Year:2012



1. Calcium oxide can be used to dry ammonia gas
a. Explain why calcium oxide is not used to dry hydrogen chloride gas
b. Name one drying agent for hydrogen chloride gas
2. Whith reference to iodine draw and show the difference between covelent comes an vander waals forces
3. Elements x and y have atomic numbers 13 and 8 respectively
a. Write an equation to show how the stable ions of the elements are formed
b. Wrte the formula of the compound formed between x and y
4. Describe how a sample of lead sulphate can be obtained from mixture of lead sulphate and lead carbonate
5. Draw structures of 2- methyl but - 2- anc
6. Draw the structure of haptanic acid
7. Describe a physical test that can be used to distinguish between methanol and hexanol
8. Sodium chloride is not solution inmethylbenzene while aluminium chloride is a solution explain
9. Other than cost, give two reasons why aluminium is used for makin electric cables while magnesium is not
10. Write an equation showing the effect of heat on the hydrated salt
50 marks




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