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Chem Conf

The document outlines the materials and reagents required for a chemistry examination as part of the Kenya Certificate of Secondary Education mock evaluation. It specifies the quantities and types of solids, liquids, and laboratory equipment needed for the experiment. Additionally, it provides notes on the identity of specific solids and solutions to be used during the examination.

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130 views2 pages

Chem Conf

The document outlines the materials and reagents required for a chemistry examination as part of the Kenya Certificate of Secondary Education mock evaluation. It specifies the quantities and types of solids, liquids, and laboratory equipment needed for the experiment. Additionally, it provides notes on the identity of specific solids and solutions to be used during the examination.

Uploaded by

elimuonlinepdfresources
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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MAKOS Cluster

Examination
Kenya Certificate of Secondary Education
Form Four Mock Evaluation Programme

233/3 CONFIDENTIAL INFORMATION FOR THE


CHEMISTRY TEACHER ONLY

In addition to the fittings and apparatus found in chemistry laboratory, each


student will require the following.
1. About 6.2 g of solid A in a
stoppered container. 12. 2 Filter papers
2. About 100 cm of solution B.
3
13. Means of labeling (2 labels).
3. Solid E, about 0.6gbin a stoppered 14. 50 cm3 measuring cylinder.
container. 15. 250ml volumetric flask.
4. About 0.2 g sodium hydrogen 16. Thermometer.(-10 0c-1000c)
carbonate solid in a stoppered 17. Glass rod
container. 18. 250 cm3 beaker.
5. 10 cm3 dilute nitric (V) acid . 19. Two conical flasks.
6. 10 cm of liquid L in a stoppered
3
20. 2 boiling tubes.
container. 21. Metallic spatula
7. Distilled water in a wash bottle. 22. A test-tube holder.
8. One pipette and pipette filler 23. Bunsen burner.
9. Burette. 24. Watch glass.
10. Filter funnel.
11. 6 test tubes.

BENCH REAGENTS/ ACCESS REAGENTS


1. Phenolphthalein indicator – supplied with dropper
2. Distilled water in a 500ml wash bottle
3. 2M Sodium hydroxide solution with dropper.
4. 0.1M Barium nitrate solution with dropper
5. Acidified Potassium manganate (VII) solution with a dropper.
6. Acidified Potassium dichromate(VI) solution with a dropper
7. 0.1 M Potassium iodide solution with a dropper.
NOTES
 Solid A is 6.2 g oxalic  Solution B is 2M sodium
acid. hydroxide solution.

1|Page
 Solid E is 0.5 g sodium
sulphite and 0.1g lead
(II) carbonate.
 Liquid L is absolute
ethanol.

2|Page

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