Gce Model Questions Vol1 2024 Chemistry Question 43
Practice objective / multiple choice question 43 from the 2024 Gce Model Questions Vol1 Chemistry examination.
A pollutant is discharged into a river with an initial concentration of \(120\ \text{mg L}^{-1}\). The pollutant degrades by first‑order kinetics with a half‑life of 8 days. The river water flows with an average velocity of \(0.5\ \text{m s}^{-1}\). Determine the concentration of the pollutant 30 km downstream and state whether it complies with the environmental limit of \(10\ \text{mg L}^{-1}\).
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About This Question
This is Gce Model Questions Vol1 2024 Chemistry Question 43. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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