Saheed SoneyeWAEC Chemistry Expo 2022 – WAEC Chemistry Questions And Answers 2022 | Theory & OBJ
This article will show you the real Chemistry expo you need to pass WAEC Chemistry in 2022. I am going to show you the most repeated questions and answers you need.
On this page, you will get WAEC Chemistry 2022, Chemistry WAEC questions and answers, 2022 waec question on Chemistry, waec GCE 2022 Chemistry questions answers, waec Chemistry 2022 theory questions and answers, waec Chemistry language OBJ questions and answers, waec Chemistry theory and OBJ questions and answers e.t.c. So, keep reading.
A lot of prospective candidates have been asking questions like, “how can I get WAEC expo in 2022 and receive Chemistry questions and answers before my exam?.
I am going to show you the truth behind the whole WAEC expo story in this article. No time to waste, let’s get started.
WAEC Expo On Chemistry 2022/2023 – How To Get OBJ & Theory Questions And Answers
1. The first thing you need to know is that you can totally pass the WAEC examination without expo/runs. What you need is to work hard and study the right way. In fact, WAEC is not hard at all.
2. Here, we do NOT advertise the WAEC expo to candidates and we will NEVER ask you to pay for the WAEC expo for any reason.
3. I REPEAT, that we do not engage in examination malpractice here and we will never ask you for money to get WAEC questions and answers in 2022.
4. Most people that promise to give you WAEC questions and answers for a fee are scammers. They are after your money.
5. If you get the WAEC expo to pass in 2022, you will NEVER find an expo for JAMB and Post UTME.
NOTE: You will get everything you need to pass your WAEC in 2022 here on this page, so keep reading.
Topics Where WAEC Chemistry Questions 2022 Will Come Out From
- Physical Quantities
- Separation Techniques
- Atoms And Molecules
- Physical and chemical changes
- Electronic configuration
- Periodic chemistry
- Chemical bonding
- Shapes of molecules
- Stoichiometry
- Gas laws
- Energy changes
- Acids, bases and salts
- Solubility
- Chemical kinematics and equilibrium
- REDOX reactions
- Electrolysis
- Radioactivity
- Organic chemistry
- Qualitative analysis (metals and non-metals)
Likely Questions In WAEC Chemistry 2022/2023
1. Equilibrium is said to be attained in reversible reaction when
- A. all the reactants have been used up
- B. all the products have been formed
- C. there is no further change in temperature
- D. the rates of the forward and backward reactions are equal
- E. the rate of formation of the products decreases with time
- A. lactic acid
- B. amino acid
- C. propanoic acid
- D. palmitic acid
- E. stearic acid
- A. is a double decomposition
- B. is a neutralization
- C. is reversible
- D. is usually catalyzed
- E. attains equilibrium after a few seconds
4. Which of the following compound is aromatic?
- A. Benzene
- B. Cyclobutane
- C. Cyclopentane
- D. Hexane
- E. Ethene
- A. Addition or presence of a catalyst
- B. Size of the reacting particles
- C. The enthalpy change for the reaction
- D. Concentration of the reactants
- E. Temperature at which the reaction is carried out
6. Given that 32.0g sulphur contains 6.02 x 10 23 sulphur atoms how many atoms are there in 2.70g of aluminium? {Al = 27, S =32}
- A. 6.02 x 10 23
- B. 3.01 x 1022
- C. 6.02 x 1022
- D. 5. 08 x 1022
- E. 3.01 x 1022
7. A salt which loses mass when exposed to air is
- A. hygroscopic
- B. deliquescent
- C. efflorescent
- D. fluorescent
- E. effervescent
8. Which of the following is used as an anaesthetic?
- A. CHI3
- B. CHCI3
- C. CH3OH
- D. C2H5OH
- E. CHBr3
- A. Nitrogen (IV0 oxide
- B. Carbon (IV) oxide
- C. Sulphur (IV) oxide
- D. Phosphorus (IV) oxide
- E. Nitrogen oxide
10. The following are uses of radioactive isotopes except for
- A. sterilization of medical equipment
- B. tracing reaction paths
- C. dating elements
- D. radiography
- E. determining equilibrium positions
11. The main characteristic feature of transition metals is that they
- A. have the same atomic size
- B. are reducing agents
- C. from ions easily
- D. have variable oxidation states
- E. are highly electropositive
12. Bubbling of carbon (IV)oxide into calcium hydroxide solution results in the formation of
- A. CaCO3
- B. CuCO3
- C. ZnCO,sub>3
- D. Na2CO3
- E. MgCO3
13. Which of the following metals cannot extracted from its ore by using carbon (ll) oxide as the reducing agent?
- A. Cu
- B. Zn
- C. Al
- D. Pb
- E. Fe
14. Aqueous sodium trioxocarbonate (IV) solution is alkaline because
- A. acid from which it is formed is strong
- B. sodium is an alkali metal
- C. sodium trioxocarbonate (IV) is decomposed by water
- D. sodium trioxocarbonate (lV) is stable to heat
- E. sodium triocarbonate (IV) is hydrolysed in water
15. During the electrolysis of dilute tetraoxosulphate (VI) acid solution 0.05 mole of electrons were passed what volume of gas was produced at the anode? (Gaseous molar volume = 22. 4dm3 at s.t.p)
- A. 0.224 dm3
- B. 0.280 dm3
- C. 0.560 dm3
- D. 2.24 dm3
- E. 22.4 dm3
If you can study your textbooks very well, use the WAEC syllabus and cover all topics you need to, you will definitely SMASH WAEC 2020 ONCE AND FOR ALL.
WAEC Chemistry Examination Scheme
There shall be three papers – Papers 1, 2 and 3 all of which must be taken. Paper 1 and 2 shall be a composite papers to be taken in one sitting.
PAPER 1: Will consist of fifty multiple-choice objective questions drawn from Section A of the syllabus (ie the portion of the syllabus which is common to all candidates).
Candidates will be required to answer all the questions within 1 hour for 50 marks.
PAPER 2: This will be a 2-hour essay paper covering the entire syllabus and carrying 100 marks. The paper will be in two sections; Sections A and B.
Section A: Will consist of ten short structured questions drawn from the common portion of the syllabus. (i.e. Section A of the syllabus).
Candidates will be required to answer all the questions for 25 marks.
Section B: Will consist of two questions from the common portion of the syllabus (i.e. Section A of the syllabus) and two other questions from the section of the syllabus which is peculiar to the country of the candidate (i.e. either Section B or C of the syllabus). Candidates will be required to answer any three of the questions. Each question shall carry 25 marks.
PAPER 3: This shall be a 2-hour practical test for school candidates or 1 hour 30 minutes alternative to a practical work test for private candidates. Each version of the paper shall contain three compulsory questions and carry 50 marks.
The questions shall be on the following aspects of the syllabus:
– One question on quantitative analysis;
– One question on qualitative analysis;
– The third question shall test candidates’ familiarity with the practical activities suggested in their teaching syllabuses.
WAEC 2022 Examination Instructions
- Do not open your question paper until you are told to do so
- USE HB pencil throughout the OBJ Section
- You are free to use Biro in the theory part
- You are allowed to use a calculator to solve
- Make sure that you fill in your name, Subject, paper, paper code and other examination details where necessary.
- Ensure that the texts in your question papers are boldly printed
- Behave yourself.
- You must not be caught with any form of the expo
WAEC 2022 Subjects To Pass
- Mathematics
- Chemistry Language
- Agricultural science
- Animal Husbandry
- Biology
- Book keeping
- Chemistry
- Christian Religious Studies (CRS)
- Civic Education
- Commerce
- Computer Studies
- Data Processing
- Economics
- Financial Accounting
- Fisheries
- Further Chemistry
- Geography
- Government
- History
- Islamic Religious Studies (IRS)
- Literature in Chemistry
- Marketing
- Physics
- Yoruba
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Saheed Soneye
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