Which of the following is true about tests we can perform on a mineral?
A) a softer mineral will scratch a harder mineral
B) many common minerals react effervesce) with dilute hydrochloric acid
C) a streak plate is used to determine how hard a mineral is
D) many minerals are strongly magnetic
E) none of these

Question

Quizplus · Accepted Answer

None of the statements A through D accurately describe tests performed on minerals or their typical properties. A) is incorrect because a harder mineral will scratch a softer one, not the other way around. B) is not true for many minerals; only some, like calcite, react with dilute hydrochloric acid. C) is incorrect because a streak plate is used to determine the color of a mineral's powder, not its hardness. D) is also incorrect as only a few minerals, such as magnetite, are strongly magnetic.

Which of the Following Is True About Tests We Can