Are you looking for 2023 WAEC Chemistry Practical Questions and answers 2023 will be provided for free on this page. See verified and correct WAEC Chemistry Practical Expo solutions for May/June examination 2023 that will help you pass your Chemistry Practical exam. Our Team of experts will solve the WAEC Chemistry Practical questions and provide you correct Solutions before your Exam.
If you are looking for WAEC Chemistry practical 2023 Answers then you are on the right page. Our team is already working on the biology practical answers for 2023 exam so you don’t need to panic. All you have to do is keep refreshing. The West Africa Examinations Council (WAEC), a Nigerian examination body, conducts the Senior Secondary Certificate Examination and the General Certificate in Education in May/June and November/December, respectively.
2022 WAEC Chemistry Practical Question and Answers
Get the predicted questions for the 2022 WAEC essay and objective questions Chemistry . The 2022 WAEC Chemistry OBJ and theory questions and answers are available. Just read the questions and take note of the WAEC Chemistry Practical solutions 2022. Read on to find out.
For question 1
Use your school’s endpoint and use it wherever you see our endpoint (15.15cm³) …and calculate with it
Replace our 15.15 in 1b and do the calculation.
If your school wants to use mine, then the chemistry teacher must submit endpoint similar to ours without much difference…eg 15.15, 15.20, 15.30, etc
When a few drops of NaOH solution are added to a 2 cm³ solution of Pb(NO3)2 (lead nitrate), the following observation would be made:
A white precipitate of lead(II) hydroxide (Pb(OH)2) would form. Lead(II) hydroxide is insoluble in water and appears as a white solid. The reaction can be represented as:
Pb(NO3)2 + 2NaOH -> Pb(OH)2 + 2NaNO3
The formation of a white precipitate indicates the presence of lead(II) ions in the solution, and the reaction between Pb(NO3)2 and NaOH results in the formation of lead(II) hydroxide.
When a few drops of NaOH solution are added to a 2 cm³ solution of Fe2(SO4)3 (iron(III) sulfate), the following observation would be made:
A reddish-brown precipitate of iron(III) hydroxide (Fe(OH)3) would form. Iron(III) hydroxide is insoluble in water and appears as a reddish-brown solid. The reaction can be represented as:
Fe2(SO4)3 + 6NaOH -> 2Fe(OH)3 + 3Na2SO4
The formation of a reddish-brown precipitate indicates the presence of iron(III) ions in the solution, and the reaction between Fe2(SO4)3 and NaOH results in the formation of iron(III) hydroxide.
More Chemistry Practical Answers
Continue to read to see the Correct WAEC Chemistry Practical Questions and Answers 2023/2024. If you are in need of the WAEC Questions and Answers 2023/2024? See likely Chemistry Practical WAEC Expo/runs for WAEC here.
To determine the melting point of benzoic acid in the laboratory, the following procedure can be followed:
1. Obtain a small amount of benzoic acid sample. Ensure that the sample is dry and free from any impurities.
2. Set up a melting point apparatus, such as a melting point apparatus or a capillary tube.
3. Clean and dry a capillary tube, which is a thin glass tube used to hold the sample. Fill the capillary tube with a small amount of powdered benzoic acid, ensuring it is compact and uniform.
4. Insert the capillary tube into the melting point apparatus, making sure it is secure.
5. Gradually heat the melting point apparatus while observing the benzoic acid sample through the magnifying lens.
6. As the temperature rises, observe the sample for any signs of melting. Initially, the powdered benzoic acid will remain solid, but at a specific temperature, the sample will start to melt and form a liquid phase.
7. Note the temperature at which the first signs of melting are observed.
8. Repeat the experiment at least two more times using fresh samples to ensure the accuracy and consistency of the obtained melting point values.
By following this procedure, the melting point of benzoic acid can be determined in the laboratory.
We have provided the 2023 WAEC questions and answers for free here all you have to do is keep refreshing this page….
Click here to join our WAEC Expo Telegram group
Ensure you scroll down to the bottom of this page and before refreshing… Keep refreshing
WAEC Chemistry Practical 2023 Questions and Answers (18th May) Loading 99%
We have the 2023 WAEC Chemistry Practical and our team of experts will soon upload the questions and their accurate answers to help you pass the 2023 WAEC Chemistry Practical examination.
The Chemistry Practical answers will be uploaded any moment from now. So if you are searching for the WAEC answers 2023 for Chemistry Practical (complete solutions), then you are on the right page.
a) Test for organic compound C:
(i) Litmus paper test:
Observation: The litmus paper remains unchanged.
Conclusion: No significant change in the litmus paper indicates that compound C is likely neutral or non-acidic.
(ii) Fehling’s test:
Observation: No significant reaction or color change occurs upon heating.
Conclusion: The lack of reaction with Fehling’s solution indicates that compound C does not contain a reducing sugar. It suggests that compound C is not a carbohydrate or does not possess aldehyde or ketone functional groups.
(b) Test for inorganic compound D:
Since compound D is an inorganic compound, it may not exhibit the same reactions as organic compounds. Therefore, the tests mentioned in part (a) may not be suitable for compound D. To identify and characterize compound D, different tests specific to inorganic compounds should be conducted based on its known or suspected properties.
(b) Test for inorganic compound D:
(i) Heating and cooling:
Observation: Upon heating, compound D may undergo a physical change (e.g., melting, sublimation, decomposition) or remain unchanged. After cooling, the appearance and properties of compound D are observed.
Conclusion: The observation after heating and cooling can provide information about the thermal stability, volatility, and physical properties of compound D.
(ii) Addition of dilute HCl and heating:
Observation: If a reaction occurs, such as effervescence (gas evolution) or formation of a precipitate, it indicates a chemical reaction between compound D and HCl.
Conclusion: The reaction with HCl can provide information about the acidic or basic nature of compound D, as well as the possibility of it being a carbonate or bicarbonate.
(iii) Addition of NaOH(aq):
Observation: If a reaction occurs, such as the formation of a precipitate or change in color, it indicates a chemical reaction between compound D and NaOH.
Conclusion: The reaction with NaOH can provide information about the acidic or basic nature of compound D and help identify the presence of certain metal ions or hydroxide compounds.
(iv) Addition of aqueous NH3:
Observation: If a reaction occurs, such as the formation of a precipitate or change in color, it indicates a chemical reaction between compound D and aqueous NH3 (ammonia solution).
Conclusion: The reaction with NH3 can provide information about the acidic or basic nature of compound D and help identify the presence of certain metal ions or complexes.
WAEC Chemistry Practical 2023 Solutions
1. Be very well prepared for the Chemistry Practical examinations:
2. Use the recommended texts for Chemistry Practical
3. Be confident in yourself
2. Ask God for guidance as you pray about your Chemistry Practical exams:
3. Arrive early at the location of the Chemistry Practical exams:
4. Carefully follow the guidelines on the Yoruba exam paper:
5. Use the WAEC syllabus
WAEC Chemistry Practical 2023 Questions Exam Time
Thursday 18th May 2023
08:30 – 10:30 am
2023 WAEC Chemistry Practical Answers
You don’t need to be concerned about the verified solutions to the 2023 Chemistry questions. Soon, the 2023 answers will be posted here. To avoid missing out, all you have to do is keep refreshing this page.
Keep revisiting this page because, once more, we’ll soon be uploading the original Chemistry Practical Expo questions and answers for this year’s exams.
WAEC Chemistry Practical Essay Questions and Answers 2023/2024
WAEC Chemistry Practical Runz/Expo, WAEC Runz, 2023 WAEC Chemistry Practical answers, WAEC Chemistry Practical 2023, Free WAEC Expo 2023, WAEC Chemistry Practical Questions
Use the comment section below or the Chat With Us by joining our telegram group via this link to ask any question you may have about the WAEC Chemistry Practical questions and answers 2023. We will get back to you right away.
We will publish the WAEC Chemistry Practical solutions here in 2023. Just relax the complete solutions will be uploaded on this page frequently. Just keep checking and refreshing. 2023 Chemistry Practical solutions Now Loading…..
Thanks for this