Explore the ultimate guide on Likely WAEC Chemistry Questions and Answers to help you succeed. People may wish to have access to WAEC expo/runs in Chemistry, but I tell you, the details on Objectives and theory Chemistry WAEC Questions and Answers provided for you here is going to guarantee your success.
The West African Examination Council (WAEC) Chemistry paper 1 and 11 (Objectives and Essay) schedule is available in the official WAEC Timetable. All the necessary materials will be provided by the management board for the smooth running of the exams. To pass WAEC Chemistry with A1, keep reading fore latest news on correct WAEC Chemistry answers.
WASSCE Chemistry past Questions papers has been provided here to help you get ready for the questions that will be presented to you. Likely WAEC Chemistry expo questions and Answers and how to answer the questions without wasting time are equally provided.
WAEC Chemistry Objectives Questions and Answers
There are free WAEC Chemistry Past Questions and Answers for you. Take your time and make good use of it while waiting for the latest update on Likely WAEC Chemistry expo.
The following are Sample WAEC Chemistry Objectives Past Questions and Answers:
1. How many grammes of NaOH(s) would be needed to produce 100.0 cm3 of a 0.20 mol dm-3 NaOH, (aq)? [NaOH = 40.0]
- A. 800.0g
- B. 0.02 g
- C. 20.0 g
- D. 0.80 g
Answer: D (0.80 g)
2.How many moles of copper would be deposited by passing 1 Faraday of electricity through a CuCl2
solution?
- A. 2 moles
- B. 0.5moles
- C. 0.025moles
- D. 1 mole
Answer: B ( 0.5moles)
3. Which of the following gases has the lowest rate of diffusion?
[H=1.0, C=12.0, N = 14.0, O= 16.0]
- A. Nitrogen
- B. methane
- C. Ammonia
- D. Oxygen
Answer: D (Oxygen)
4. The best indicator to use for the titration of ethanoic acid with sodium hydroxide is
- A. methyl orange
- B. phenolphthalein
- C. screened methyl orange
- D. methyl red
Answer: B (phenolphthalein)
5. Thermal cracking of alkanes usually
- A. requires hydrogen
- B. produces only small alkanes
- C. involves decomposition
- D. is an exothermic process
Answer: C (involves decomposition)
6. Petrochemistry is an example of
- A. applied chemistry
- B. Biochemistry
- C. Pure chemistry
- D. Environmental chemistry
Answer: A (applied chemistry)
7, Which of the following elements has its valence electrons in the s-orbital?
- A. Carbon
- B. Phosphorus
- C. Sodium
- D. Aluminum
Answer: C (Sodium)
8, Positive ions in a sea of electrons are found in
- A. dative bonds
- B. metallic bonds
- C. covalent bonds
- D. ionic bonds
Answer: B (metallic bonds)
9. The gas that is less dense than air is
- A. nitrogen
- B. Oxygen
- C. Carbon(IV) oxide
- D. chlorine
Answer: A (nitrogen)
10, One of the laws or theory below cannot be explained by the application of the kinetic theory of gases?
- A. Dalton’s atomic theory
- B. Gay- Lussac’s law
- C. Boyle’s law
- D. Charle’s law
Answer: A (Dalton’s atomic theory)
WAEC Essay Chemistry Questions
1ai. Write an equation for the burning of sulphur in air.
ii. Name the catalyst used in the contact process.
iii. In the contact process, why is an excess of air used?
iv. Why is it necessary to cool the catalyst used in 5(b)(ii)?
v. Give a reason why the air used in the contact process needs to be as clean as possible.
vi. State two reasons why SO2 should not be discharged into the atmosphere.
bi. State the reagents and conditions used in the laboratory preparation of chlorine.
ii. State two uses of chlorine.
ci. Name the drying agents for each of the following gases: 1. Hydrogen;
i2. sulphur (IV) oxide;
i3. Ammonia.
ii1. State the components of the following
Bronze; ii2. Brass
How to pass WAEC exams
It’s important to make your West African Senior Secondary School Certificate Examination a huge success. The following ways are beneficial to candidates that wish to pass WAEC with flying colors:
1. Make adequate Preparation: By preparing very well for the WAEC Chemistry Objectives and theory exams, candidates will be able to write the exams confidently.
2. Attending Extra moral Classes: The school teachers might not be able to complete the curriculum on time. On that note, it is advisable for students to attend tutorials that will enlightened the more on the right topics under The syllables.
3. Make good use of Past Questions: The West African Examination Council, WAEC has a pattern of setting questions. Students that make good use of the WAEC Chemistry past Questions and Answers will surely perform well in the exams. Try and practice the questions set on previous years.
4. Use WAEC Chemistry Syllabus: The WAEC Chemistry Syllabus has a list of topics to be treated for years. Candidates should ensures that they use the syllabus while studying and preparing for their exams.
Steps to Answer Questions
The following steps are crucial while trying to answer WAEC Chemistry questions:
- Candidates are advised to always begin with the simplest questions.
- Adherence to the WAEC exams instructions are very important.
- All the required details should be carefully written or entered on the WAEC Answer booklet.
- Candidate’s handwriting should be very readable.
- It’s important to attempt the required number of questions.
- Candidates should cross check their answers before final submission.
Conclusion
Passing the WAEC Chemistry exams is very easy. All that is required is to do the needful. Prepare on time, attend tutorials, use past Questions and syllabus and many more.
Those that want to know more about the WAEC Chemistry questions and Answers should use the comments box hereunder.
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