Q. Quartz composed of which two elements

A
Iron and magnesium
B
Iron and oxygen
C
Oxygen and silicon
D
Silicon and iron
Solution:
  • Quartz is the second most abundant mineral in Earth’s continental crust, behind feldspar.

  • Quartz is a most abundant, colourless, crystalline compound composed of two elements Oxygen and Silicon.It is generally founds in all metamorphic rocks.

  • Steel is composed of a number of elements. The two essential elements are iron and Carbon.

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