Neco Model Questions Vol1 2024 Geography Question 27
Practice objective / multiple choice question 27 from the 2024 Neco Model Questions Vol1 Geography examination.
A rock sample consists of quartz (40 %), feldspar (35 %), mica (15 %) and amphibole (10 %) by volume. During chemical weathering, quartz remains unchanged, feldspar loses 30 % of its volume, mica loses 50 %, and amphibole loses 80 %. After weathering, what percentage of the remaining rock is quartz? Give your answer to the nearest whole percent.
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This is Neco Model Questions Vol1 2024 Geography Question 27. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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