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WAEC English Language 2025 Objective — Question 9

Question 9 of 156 from the West African Examinations Council (WAEC) English Language 2025 Objective paper, with the correct answer and a full explanation.

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We had expected the change of colour during the experiment to be ------- but it was imperceptible.

  • A. Relevant
  • B. Baseless
  • C. ObviousCorrect
  • D. Critical

Explanation

Imperceptible means not noticeable; obvious is its clear opposite.

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