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AP EAMCET202317 May 2023Evening ShiftChemistryp Block Elements (Group 13 & 14)Actual

For a good quality cement the ratio of silica to alumina should be in the range of

Options

  1. A2.5-4.0
  2. B0.1-1.0
  3. C1.0-1.5
  4. D5.0-8.0

Correct answer

A. 2.5-4.0

Step-by-step solution

For a good quality cement :- Silica ( SiO ₂ ) : Alumina ( Al ₂ O ₃ )=2.5-4.0 Lime ( CaO ): SiO ₂+ Al ₂ O ₃+ Fe ₂ O ₃=2

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