The chemical formula of feldspar is

The chemical formula of feldspar is
  1. $\mathrm{KAlSi}_3 \mathrm{O}_8$
  2. $\mathrm{Na}_3 \mathrm{AlF}_6$
  3. $\mathrm{NaAlO}_2$
  4. $\mathrm{K}_2 \mathrm{SO}_4 \cdot \mathrm{Al}_2\left(\mathrm{SO}_4\right)_3 \cdot 4 \mathrm{Al}(\mathrm{OH})_3$

Solution

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

Asked in: AP EAMCET 2007

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