Q53 / 180 · AIIMS 2007 · Chemistry

Among the following components of cement which is present in highest amount?

  • A
    \(\mathrm{Ca}_2 \mathrm{SiO}_4\)
  • B
    \(\mathrm{Ca}_3 \mathrm{SiO}_5\)
  • C
    \(\mathrm{Al}_2 \mathrm{O}_3\)
  • Correct answer
    D
    \(\mathrm{Ca}_3 \mathrm{Al}_2 \mathrm{O}_6\).

Solution

Tricalcium aluminate \(3 \mathrm{CaO} \cdot \mathrm{Al}_2 \mathrm{O}_3\) - Calcium aluminate cements are hydraulic cements made primarily from limestone and bauxite. They are well adapted for use in refractory (high temperature resistant) concretes. e.g. furnace linings.

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

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