Neco Model Questions Vol1 2018 Agricultural Science Question 28
Practice objective / multiple choice question 28 from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
The diagram shows a beaker used for a soil‑pH test. It contains 10 g of air‑dried soil and 20 mL of distilled water, with a pH‑meter electrode inserted. Is this the recommended soil‑to‑water ratio for accurate pH determination? If not, state the correct ratio (soil : water by weight) commonly used in the field.
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About This Question
This is Neco Model Questions Vol1 2018 Agricultural Science Question 28. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Easy .
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