WAEC · 2025 · Question paper

WAEC Chemistry2025 · question archive

Work through 10 published source-linked questions, with your original paper close by.

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WAEC
Material
Past-question archive
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10 published questions
Assessment
Checked choices where available

About this question archive

Explore WAEC Chemistry past questions from the 2025 archive. Published questions keep their original archive references, choices and source labels.

The available extraction contains 10 original questions. Read the source excerpt, then work through the embedded session below. Choose study mode for feedback as you go, or set a timer and review afterward. Only questions with a checked source key receive an automatic score.

From the original source

Question 1

Which of the following pairs of gases cannot be collected by downward delivery?

  1. SO\(_2\) and NH\(_3\)
  2. CO and N\(_2\)
  3. Cl\(_2\) and N\(_2\)
  4. SO\(_2\) and N\(_2\)

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10 published original entries. Source numbering is preserved; gaps are not yet extracted.

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10

The full original-paper total has not been verified.

Source & paper details

WAEC Chemistry 2025 Paper.

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