Which of the Following Is Not a True Statement

Multiple Choice

Which of the following is not a true statement?

A) If you find a piece of rhyolite in the field, it should be light in color because it high in quartz and feldspars
B) If you find a piece of basalt in the field, it should be a very light gray color because contains an intermediate level of quartz and feldspars
C) If you find a piece of andesite in the field, it should be a gray color
D) If you find a piece of ultramafic rock in the field, it will be noticeable more dense than other rocks because it is high in iron and magnesium