Sticky Note
Lunar soil (regolith) primarily contains which of the following compounds?
  1. SiO₂ (Silicon dioxide)
  2. CaCO₃ (Calcium carbonate)
  3. Fe₂O₃ (Iron(III) oxide)
  4. NaCl (Sodium chloride
Explanation

Lunar soil is composed mainly of silicate minerals, with silicon dioxide (SiO₂) being a significant component.


Other components include various metal oxides like Fe₂O₃ and MgO, but SiO₂ is prevalent in the overall composition.


Calcium carbonate (CaCO₃) and sodium chloride (NaCl) are not typically found in lunar soil.

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