Astudent performed flame tests on several unknown substances and observed that all of the flame colors were shades of red. what could the student do to correctly identify these substances? explain your answer.

What’s a special glass that most beakers are made of

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.