Multiple choice

Which one of the following is ore of sodium?

  1. Calamine

  2. Cinnabar

  3. Chile saltpeter

  4. Fluorspar
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Chile saltpeter is sodium nitrate, which is a primary source of sodium and nitrogen. Calamine is zinc, Cinnabar is mercury, and Fluorspar is calcium.

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