Waec Model Questions Vol1 2024 Chemistry Question 22

Practice objective / multiple choice question 22 from the 2024 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2024 Chemistry Objective / Multiple Choice Hard Difficulty
Question 22 WAEC_MODEL_QUESTIONS_VOL1 • 2024 • CHEMISTRY • objective

A flat iron sheet of area 0.5 m² and density 7.87 g cm⁻³ is exposed to a corrosive atmosphere. After 30 days the sheet has lost 12.0 g of iron. Assuming the corrosion proceeds by the reaction Fe → Fe²⁺ + 2e⁻, calculate the average corrosion rate in micrometres per year (µm yr⁻¹). Give your answer to the nearest whole number.

Answer Options

A. 45
B. 25
Correct Answer C. 37
D. 30
Correct Answer
C
Correct Option:
37

About This Question

This is Waec Model Questions Vol1 2024 Chemistry Question 22. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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