Q21 / 160 · TS EAMCET 2009 · Chemistry

Match the following. Figure
The correct answer is (A) (B) (C) (D)

  • A
    IV V II I
  • Correct answer
    B
    IV V I II
  • C
    IV I III II
  • D
    II V IV I

Solution

(A) Feldspar (orthoclase) $\left(\mathrm{KAlSi}_3 \mathrm{O}_8\right)$ It is used in the manufacture of porcelain. (B) Asbestos $\left\{\mathrm{CaMg}_3\left(\mathrm{SiO}_3\right)_4\right\}$ It is used for fireproof sheets, cloths etc. (C) Pyrargyrite (Ruby silver) $\left(\mathrm{Ag}_3 \mathrm{SbS}_3\right)$ It is an ore of silver. (D) Diaspore $\left(\mathrm{Al}_2 \mathrm{O}_3 \cdot \mathrm{H}_2 \mathrm{O}\right)$ It is an ore of aluminium.

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

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