Q4 / 160 · TS EAMCET 2007 · Chemistry

The chemical formula of feldspar is

  • A
    $\mathrm{KAlSi}_3 \mathrm{O}_8$
  • B
    $\mathrm{Na}_3 \mathrm{AlF}_6$
  • Correct answer
    C
    $\mathrm{NaAlO}_2$
  • D
    $\mathrm{K}_2 \mathrm{SO}_4 \cdot \mathrm{Al}_2\left(\mathrm{SO}_4\right)_3 \cdot 4 \mathrm{Al}(\mathrm{OH})_3$

Solution

The chemical formula of feldspar is $\mathrm{KAlSi}_3 \mathrm{O}_8$.

Hence, the correct answer is option: 'C'.

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