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NEET
Exam
NEET
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

NEET · Chemistry · General Principles and Processes of Isolation of Metals

At what temperature and pressure is the process of digestion...

At what temperature and pressure is the process of digestion carried out during the extraction of Al2O3 from bauxite using NaOH?

Options

  1. A523 K and 40 bar pressure
  2. B473 K and 35–36 bar pressure
  3. C600 K and 30 bar pressure
  4. D500 K and 50 bar pressure

Correct answer

B. 473 K and 35–36 bar pressure

Step-by-step solution

The digestion process for extracting Al2O3 from bauxite using NaOH occurs at temperatures ranging from 473 to 523 K and 35 to 36 bar pressure.
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