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General Principles and Processes of Isolation of Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryGeneral Principles and Processes of Isolation of Elements1 Mark
MCQ
Common impurities present in bauxite are $.......$
$a. \text{CuO}$
$b. \text{ZnO}$
$c. \text{Fe}_{2}\text{O}_{3}$
$d. \text{SiO}_{2}$
  • A
    $a$ and $b$
  • B
    $a$ and $c$
  • C
    $b$ and $c$
  • ✓
    $c$ and $d$
✓

Answer

Correct option: D.
$c$ and $d$
The principal oreo faluminum, bauxite, usually contains $\ce{SiO_2}$, iron oxides and titanium oxide $(\ce{TiO_2})$ as impurities.

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