Gce Model Questions Vol1 2019 Geography Question 6
Practice objective / multiple choice question 6 from the 2019 Gce Model Questions Vol1 Geography examination.
A rock sample contains \(40\%\) quartz, \(30\%\) feldspar, \(20\%\) mica and \(10\%\) amphibole by mass. A weathering process removes \(50\%\) of the feldspar and \(30\%\) of the mica, while quartz and amphibole remain unchanged. After weathering, what percentage of the remaining mass is quartz? Give your answer to one decimal place.
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About This Question
This is Gce Model Questions Vol1 2019 Geography Question 6. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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