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Chemical analysis of cement for its oxide composition is most often carried out by

  • A.weighing the residue after sieving
  • B.X-ray fluorescence spectrometry
  • C.measuring the setting time precisely
  • D.boiling a sample in distilled water

Answer: B

The same technique used for raw mix control serves for the finished product, giving a full analysis within minutes. Wet chemical methods remain the reference but are far too slow for routine use. Speed is what makes control rather than mere verification possible.

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