Waec Model Questions Vol1 2020 Geography Question 8

Practice objective / multiple choice question 8 from the 2020 Waec Model Questions Vol1 Geography examination.

Waec Model Questions Vol1 2020 Geography Objective / Multiple Choice Medium Difficulty
Question 8 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • GEOGRAPHY • objective

A rock sample consists of 55 % quartz (density 2.65 g/cm³), 30 % feldspar (density 2.55 g/cm³) and the remaining mineral is mica. If the density of mica is 2.80 g/cm³, calculate the average density of the rock sample (in g/cm³) to four decimal places.

Answer Options

A. 2.6325
B. 2.6525
C. 2.6400
Correct Answer D. 2.6425
Correct Answer
D
Correct Option:
2.6425

About This Question

This is Waec Model Questions Vol1 2020 Geography Question 8. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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