Neco 2025 Geography Question 29

Practice objective / multiple choice question 29 from the 2025 Neco Geography examination.

Neco 2025 Geography Objective / Multiple Choice Medium Difficulty
Question 29 NECO • 2025 • GEOGRAPHY • objective

A 2‑hectare field has a soil pH of 5.2. The target pH is 6.5. The soil's buffer capacity is 0.8 pH units per 1,000 kg of CaCO₃ per hectare per centimetre of depth. The plough layer is 15 cm deep. Assuming 100\% efficiency, how many tonnes of CaCO₃ are required to raise the pH to the target level?

Answer Options

Correct Answer A. 48.75
B. 32.50
C. 4.88
D. 24.38
Correct Answer
A
Correct Option:
48.75

About This Question

This is Neco 2025 Geography Question 29. It is one of the objective questions from the 2025 Neco Geography examination.

Difficulty level: Medium .

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