Multiple choice

Which of the following matches of ‘chemical formula - common name’ is incorrectly matched?

  1. Na2SO4•10H2O - Glauber’s salt

  2. AgNO3 - Lunar caustic

  3. CuSO4.5H2O - Green vitriol

  4. CuFeS2 - Fool’s gold

  5. Fe3C - Cementite

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Green vitriol: FeSO4.7H2O Blue Vitriol: CuSO4.5H2O Thus, this option is correct.