WAEC Chemistry Practical Specimen Questions & Answers 2020/2021

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WAEC Chemistry Practical Specimen

WAEC Chemistry Practical Specimen, Questions and Answers Guide.

Format of this WAEC Chemistry practical Exam

All WAEC examinations are different. WAEC been Chemistry has three papers known as paper 1, paper 2 and paper 3.

Paper 1 and paper 2 consist of objectives and theory questions respectively.

WAEC Chemistry practical questions are very different from that of WAEC Chemistry objective questions. And it is not very easy to describe exactly what will happen but there are general points which must be taken into consideration that will be very helpful to you.

So this is an opportunity for you to grab before your WAEC Chemistry practical exam starts.

WAEC Chemistry practical exam is a very important aspect of WAEC Chemistry exam. This paper also seem to be more difficult to understand & pass.
But in this post, you will learn how to write and pass WAEC Chemistry practical exams very easily. This WAEC Chemistry practical exams guide will help you to pass this exam as simple as ABC.

The specimens are labelled accordingly in alphabetically order. All the specimens will be displayed and label by the Examiner as follows:

Read down to see How to answer all the WAEC Chemistry Practical Questions 2020 very easily


  • One 50cm³ burette.
  • 1 20cm³ or 25cm³ pipette.
  • All apparatus Usually used for Titration.
  • Usual apparatus & reagents for qualitative Analysis.
  • A Spatula
  • All filtration apparatus.
  • One beaker
  • One boiling tube
  • $ test tubes.
  • An indicator.
  • Mathematical table/calculator
  • Wash bottle containing distilled/deionized water.

Aim of this WAEC Chemistry practical Exam

This exam is paper 3 (practical) of Chemistry. the score that candidates obtain from this practical exam will be added to the score you obtain from your theory exam (paper 2) and your obj exam (paper 1) to arrive at your aggregate score (final grade).

This practical is aim at testing candidates that have chosen Chemistry as one of their subjects.

So the aim of this examination is to:

  1. Demonstrate that you have been taught WAEC Chemistry practical in your school.
  2. To confirm that you really understood what you have been  learning in classroom and in the laboratory.
  3. Enable you to clarify and develop critical practical ability in answering and presenting practical solutions to practical questions / problems.
  4. Testing candidates ability to Identify specific specimens.
  5. Ability to state the functions and use of each of specimen identified in No.4.
  6. List out the advantages of some of the specimens identified.

How to Answer Practical Question 2020

WAEC chemistry Practical Specimen Questions and Answers

WAEC Chemistry Practical Questions are not answered like objective Objective questions. Practical questions are somehow answered like theory questions.

But Practical questions are more technical than theory questions. Candidates need to carry out the required practical so as to enable know what and how the answers are to be presented.

The examiner or instructor will be there to instruct candidates on what to do and how to do it before the exam start.

Who will Supervise this Exam?

This exam examiners will be as follows:

  • The main examiner: The main examiner will be sent by WAEC.
  • Internal examiner: Are Examiners from your school.
  • External Examiner: Are special body of examiners that will be coming to check the conduct of the exam in your school.

How to pass WAEC Chemistry practical exam

For you to write and pass this WAEC Chemistry practical exam, you must observe and posses the following abilities:
A. Ability to understand and interpret data from Chemistry principles:
It is in this WAEC practical exam that candidates will be required to show how much they understand about Chemistry.
That will be achieved in where candidates will be able to interpret a fundamental Chemistry problems from an experimental approach using diagrammatic or graphic presentations designed solely for the purpose of this WAEC practical exam.

Presentation of WAEC Chemistry practical solutions and Answers

When presenting a WAEC Chemistry practical answers in a diagrammatic or graphic format, candidates must follow and observe the following hints:
A. Size: Candidates must have to choose a very Convenient size and scale when presenting any diagram or graph.
Sometimes, the required and needed graph scale or diagram size may be stated in the instructions on the question paper.
But candidates are to choose a convenient graph scale and diagram size that fits into their answer sheet in cases where the examiner has not given a required graph scale or diagram size.
B. Neatness of your presentation: the neatness of your work counts a lot. When plotting a graph or drawing a diagram, candidates must carefully join all points on their graph and diagram as needed.
Also make sure you do a very neat penciling and labeling.
Do not draw the same line often and often in different positions and make sure you thicken your lines to make your diagram bold.
C. Labeling: All graphs, drawings and diagrams must be labelled accordingly.
Labeling should be able to show the title of your graph and diagram, the different parts and components of the drawing and the scale of your graph.
D. Consistency and Accuracy: marking of points on the graph and diagrams must be accurately indicated in a very consistence and accurate format.
This will help to reduce the level of error in your solution.
E. Ease of Identification: Diagrams should be properly numbered and presented in such a way that can be easily identified.
F. Positioning and formatting: all diagrams and graphs must be positioned on the right and correct format.
G. Instructions: Candidates are to follow the WAEC Chemistry practical questions and answers exam instructions during the exam.
This instruction will help to instruct candidates on what to do and how to present their answers and solutions on the answer sheet.

WAEC Chemistry practical exam Mistakes to avoid

How to answers WAEC chemistry Practical Questions

Another important aspect of this WAEC Chemistry practical exam is to identify the major mistakes to avoid while taking the exam.
There following are some of the most common mistakes to avoid while taking this WAEC Chemistry practical exam.
Mistakes in drawing:
A. Over Confidence:
One common WAEC Chemistry practical mistake that almost all candidates are prone to making is that the candidates do believe that they will score well in Chemistry practical exam if only they can present the diagram and label it appropriately. So because of this, they ignore the instructions on the question paper.
So this has made it a little difficult to easily achieved the score a candidate was hoping for because every WAEC Chemistry practical examiner and marker has been properly and professional trained to identify practical errors and deduct marks for each mistake found that doesn’t correspond with what was needed.
B. Drawing like an artist:
Some candidates do make attempts of trying to draw Chemistry practical exam diagrams like an artist thinking they will impress the examiner and attract more scores for themselves.
So as a result of this, you go further to use other drawing tools other than pencil to design their diagram.
But all candidate should know that all diagrams in WAEC Chemistry practical exam must be drawn with pencil (especially HB pencil because it is not easily erased) and no diagram should be colored, painted or even shading except recommended.
C. Lining:
make straight lines where required, make curve, zigzag and corresponding lines where needed.
Do not misuse lines to mistaken one line for another.
Use thin, faint, broken, dash and thick lines appropriately on where they are required.
So use Clear and tidy lines in your drawing.
D. Show your Magnification or scale:
Many candidates may not even know about this and how important it is.
What is magnification?
Magnification is a “formula like” figure usually inserted in the left side bottom of a diagram to indicate how smaller or bigger a diagram is compared to the actual specimen in nature.
Magnification are to presented in this format.         ▼
Magnification (mag) = size of your drawn diagram/size of the given specimen in nature.
You can use your ruler to measure and obtain the sizes of the two.

WAEC Candidates Weaknesses & Solutions in WAEC Chemistry practical


Some of the most observed candidate’s weaknesses that is always noticed in WAEC Chemistry practical exam in previous years (including last year) include:

  •  Poor spelling presentation of technical terms and labellings.
  • Poorly presented drawings drawn with blunt pencils and penciling.
  • Presenting drawn diagrams with shallow or no details.
  • Presenting drawn diagrams that doesn’t conform to the specified size.
  • Drawings with no specified magnification, title and labelling.
  • Unruled used of guidelines & non horizontal labels.
  • Mistakes of Using plural labels for single label. E.g. labelling ears at the end of a single guide line to indicate one ear (mistake: use of ears instead of ear).
  • Quoting question in the answer booklet before giving their answers.
  • Difficulties in scoring answers due to a mix up in the numbering of questions.
  • Presenting answers in bullet format.
  • Inability of candidates to make proper inference and observations as a result of candidates trying to present their answers based crammed theoretical knowledge instead of practical observation of specimens.
  • Observation of candidate’s poor practical skills, abilities and poor exposure to practical experimental classes.

Solutions and remedies to weaknesses

The following solutions and remedies are presented to overcome and curb the weaknesses listed above:

  •  Engaging all candidates in spelling drills and exercises to enable them get familiar and master the spellings of technical terms.
  • Endeavoring that the WAEC Chemistry practical syllabus is completed before the WAEC Chemistry practical exam starts.
  • Engaging all WAEC candidates in practical classes, lessons and experiments even before the instructions for the WAEC Chemistry practical exam 2020 is out.
  •  Read personally before the exam and try solving some WAEC Chemistry practical questions by yourself.
  • Follow the WAEC Chemistry practical exam instructions and present answers in an orderly manner in an acceptable format during the exam.
  • Tabulate answers on given differences.

Final instruction on WAEC Chemistry practical exam

The final instruction and summary of this great guide is as follows:
  1. Follow instructions when drawing. Make sure your drawing is always large and it should always be within the size of your answer sheet and in accordance with the exam instructions.
  2. Read the exam instructions before proceeding to answers.
  3. Make sure you observe each specimen thoroughly to identify all its features.
  4. Do not hope on copying from other candidate. Try doing it by yourself.
  5. Let all your answers be very brief and understandable.
  6. Arrive at your WAEC practical exam venue very early to avoid missing out.
  7. Endeavor to go to your exam hall with all the needed materials and tools for your WAEC Chemistry practical exam.
  8. Revise all that you have read before the exam day.

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