2026 WAEC Chemistry Questions and Answers
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WAEC 2026 Chemistry 3 Practical Question Paper (Alternative A)
Below is the full 2026 WAEC Chemistry 3 Practical Question Paper (Alternative A), including the cover page, apparatus and materials list, supervisor’s report, and caution note. Use this for practice and familiarisation before your exam.
WAEC 2026 Chemistry 3 Practical — Questions and Answers
Scroll through the question and answer pages below. These cover Q1 (titration of ethanoic acid vs impure KOH), Q2 (inorganic salt and organic compound tests), and Q3 (laboratory apparatus and solubility).
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2026 WAEC Chemistry OBJ (Objective) Answers
Note: This section will be updated in real time during the exam. Keep refreshing the page to see the latest complete and verified objective answers.
WAEC 2026 Chemistry Practical Answers
Question 3
(3a) — Complete the Table
| Apparatus | Use |
|---|---|
| (i) Measuring cylinder (or Pipette / Burette) | For measuring a specific volume of a liquid |
| (ii) Clay triangle | To support a crucible being heated by a Bunsen burner |
| (iii) Crucible | As a container for melting and heating substances to very high temperatures |
| (iv) Bomb calorimeter | To measure the heat of combustion of a particular reaction |
(3b) — Solubility of Lead Compounds
(i) PbSO4 — Insoluble
(ii) PbCl2 — Slightly soluble in cold water; soluble in hot water
(iii) Pb(NO3)2 — Soluble
Order of increasing solubility: PbSO4 < PbCl2 < Pb(NO3)2
(3c) — Effect on Litmus Paper
- KNO3(aq) — No effect. It is a neutral salt formed from a strong acid (HNO3) and a strong base (KOH).
- K2CO3(aq) — Turns red litmus blue. It is a basic salt formed from a weak acid (H2CO3) and a strong base (KOH).
- Al2(SO4)3(aq) — Turns blue litmus red. It is an acidic salt; aluminium ions undergo hydrolysis in water to produce H+ ions.
Question 3 — Answer Images
2026 WAEC Chemistry Essay / Theory Answers
Detailed, step-by-step solutions for the essay and theory questions will appear here once each number has been worked and verified by the Examsmooth team.
Chemistry Practical essay/theory answers will be updated here. Keep refreshing.
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