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Form 4 Chemistry Paper 3 Confidential End of Term 2 Exams 2021
Class: Form 4
Subject: Chemistry
Level: High School
Exam Category: Form 4 End Term 2 Exams
Document Type: Pdf
Views: 1052
Downloads: 30
Exam Summary
CHEMISTRY
PAPER 3
CONFIDENTIAL
(a) Each student should be supplied with the following
1. Burette
2. Pipette
3. Pipette filler
4. Filter funnel
5. White tile
6. Clamp and stand
7. 2 conical flask
8. 100 #cm^3# glass Beaker (empty)
9. Stop watch
10. 100#cm^3# measuring cylinder
11. 10#cm^3# measuring cylinder
12. 250 #cm^3# volumetric flask
13. Metallic spatula
14. 6 clean test tubes
15. Test tube holder
16. 500ml distilled water
17. White piece of paper or filter paper
18. 1 filter paper
19. 1 labelling paper
20. Phenolphthalein indicator
21. About 90#cm^3# solution K
22. About 100#cm^3# solution L
23. About 70#cm^3# solution N
24. About 90#cm^3# solution P
25. About 0.5g#NaHCO_3#
26. About 1.0g solid Q
27. About 0.5g solid R
(b) Each student should have access to the following solutions:
1. Mean of heating
2. 2M NaOH
3. #2M HNO_3#
4. #Pb(NO_3)#
5. Acidified #KMNO_4 #
6. Potassium iodide solution
NB: the above solutions should be supplied with a dropper each.
(c) SOLUTIONS PREPARATION AND SOLID MEASUREMENTS
1. SOLUTION K IS 1M #H_2SO_4#
2. SOLUTION L IS 0.36 M NaOH CONTAINING 14.4g OF NAOH IN 1 LITRE OF THE SOLUTION
3. SOLUTION N IS 2M HCl
4. SOLUTION P IS 0.16 M #Na_2S_2O_3#(SODIUM THIOSULPHATE)
5. SOLID Q IS A MIXTURE OF SODIUM SULPHITE#(Na_2SO_3)# AND LEAD (II) CARBONATE #(PbCO_3)# MIXED IN THE RATIO 1:1 (should be thoroughly mixed)
6. SOLID R IS MALEIC ACID
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