Neco Model Questions Vol1 2017 Geography Question 26
Practice objective / multiple choice question 26 from the 2017 Neco Model Questions Vol1 Geography examination.
A rock sample contains \(45\%\) quartz, \(30\%\) feldspar, \(15\%\) mica and \(10\%\) other minerals. The rock undergoes metamorphism at 600 °C and 5 kbar. During metamorphism, quartz remains stable, \(30\%\) of the feldspar converts to muscovite, and the amount of mica doubles due to growth. Assuming the total mass of the rock remains constant, what is the percentage of quartz in the resulting metamorphic rock (to one decimal place)?
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About This Question
This is Neco Model Questions Vol1 2017 Geography Question 26. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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