Chemistry Specimen for Waec 2023: The WAEC Chemistry practical exam requires students to identify and analyze chemical substances and compounds. To prepare for the exam, students must be familiar with the WAEC Chemistry practical specimen list, which includes a range of substances and equipment.
In this article, we will provide information on the WAEC Chemistry practical specimen for 2023 and tips on how to prepare for the exam and analyze the specimen effectively.
WAEC Chemistry Practical Specimen
The WAEC Chemistry practical specimen is a collection of substances and equipment students must identify and analyze during the practical exam. The specimen list typically includes acids, bases, salts, metals, non-metals, indicators, and laboratory equipment.
To perform well in the exam, students need to be familiar with each substance’s different properties and reactions and understand how to use the equipment correctly. Studying the specimen list carefully and attending practical classes to practice analyzing the different substances is essential.
WAEC Chemistry Practical Specimen 2023
The WAEC Chemistry practical specimen for 2023 has been released. The specimen list is usually released a few months before the exam, so students should watch for it.
Students can study previous specimen lists and practice analyzing the different substances and equipment to prepare for the exam. It’s also important to attend practical classes and seek help from teachers or tutors if necessary.
1. Great care should be taken to ensure that the information given in the items 2 and 3 below does not reach the candidate either directly or indirectly before the examination.
2. In addition to the fittings and reagents normally found in a chemistry laboratory, the following apparatus and materials will be required by each candidate:
(a) One burette of 50 cm3 capacity;
(b) One pipette, either 20 cm3 or 25 cm3. (All candidates at one centre must use pipettes of the same volume. These should be clean and free from grease)
(c) The usual apparatus for titration;
(d) The usual apparatus and reagents for qualitative work including the following with all reagents appropriately labelled;
(i) Dilute sodium hydroxide solution;
(ii) Dilute hydrochloric acid;
(iii) Dilute trioxonitrate
(iv) Silver trioxonitrate
(v) Acidified potassium dichromate solution;
(vi) Aqueous ammonia;
(vii) Lime water;
(viii) Red and blue litmus paper
(ix) Dilute tetraoxosulphate (VI) acid;
(x) Fehlings solution A & B.
(f) Filtration apparatus;
(g) One beaker
(h) One boiling tube;
(i) Four test tubes;
(j) Methyl orange as indicator;
(k) Glass rod;
(l) Wash bottle containing distilled/deionized water;
(m) Burning splint;
(n) Watch glass;
(o) Bunsen burner/source of heat;
(q) Mathematical table/calculator.
3. Each candidate should be supplied with the following, where ‘n’ is the candidiate’s serial number
(a) 150 cm3 of a solution of HCl in a corked flask or bottle labelled ‘An’. These should all be the same containing 8.5 cm3 of concentrated HCl per dm3 of solution.
(b) 150 cm3 of Na2CO3.10 H2O in a corked flask or bottle labelled ‘Bn’. These should all be the same containing 5.0 g of the hydrated salt per dm3 of solution.
(c) One spatulaful of glucose in a specimen bottle labelled ‘Cn’. This must be the same for all candidates.
(d) One spatulaful of zinc oxide powder in a specimen bottle labelled ‘Dn’. This must be same for all candidate.
How to Identify and Analyze the WAEC Chemistry Specimen
To identify and analyze the WAEC Chemistry specimen effectively, students need to follow a few simple steps:
- Read the instructions carefully: Ensure you understand what you’re asked to do before starting.
- Observe the specimen: Take the time to look at the specimen carefully and identify its properties and reactions.
- Use laboratory equipment correctly: If the specimen requires it, ensure you know how to use it correctly.
- Record your observations: Take notes as you observe the specimen, and record any important details.
- Analyze the specimen: Use your knowledge of Chemistry to analyze the specimen and draw conclusions about its properties and reactions.
FAQs about WAEC Chemistry Specimen
- What is the WAEC Chemistry specimen? The WAEC Chemistry specimen is a collection of substances and equipment that students must identify and analyze during the Chemistry practical exam.
- How can I prepare for the WAEC Chemistry specimen? You can prepare for the WAEC Chemistry specimen by studying previous specimen lists, practicing analyzing the different substances, and attending Chemistry practical classes.
- When is the WAEC Chemistry specimen list usually released? The WAEC Chemistry specimen list is usually released a few months before the exam.
- What should I do if I need help to understand any part of the practical? You can ask questions if you need help to understand any part of the practical. Your teacher will be happy to assist you.
- Is the WAEC Chemistry specimen the same every year? The WAEC Chemistry specimen can vary yearly, so studying the specimen list carefully for each exam is essential.
- Can I bring my equipment to the exam? No, students cannot bring their equipment to the exam. The examiners will provide all equipment.
In conclusion, the WAEC Chemistry practical specimen is an essential part of the Chemistry practical exam, and students must understand how to identify and analyze them. By studying the specimen list carefully, attending practical classes, and following the steps outlined in this article, students can prepare for the exam and increase their chances of success.