Chemical Engineering
Q Black liquor is converted into white liquor by __________________________?
  • A A. Evaporation and burning the concentrate followed by causticisation of products
  • B B. Multi-effect evaporation only
  • C C. Selective liquid extraction
  • D D. Extractive distillation
Previous Roasting of metallurgical ores is done mainly to ______…
Next Which of the following is not an abrasive material ?
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