In the Bayer's process, bauxite is digested under pressure using ___________________?
Correct answer: B. NaOH
- A. H2SO4
- B. NaOH
- C. NH3
- D. HCl
Explanation
In the Bayer process, bauxite is digested under pressure with concentrated sodium hydroxide, which dissolves alumina as soluble sodium aluminate while leaving much of the insoluble residue behind.
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