Which substance is not commercially extracted from seawater on a large scale?

Chemical Process MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Chemical Processchemical-engineering › chemical-process
Published
14 Feb 2019
Last updated
28 May 2026

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Explanation

Bromine, magnesium salts, and potassium salts are commonly obtained from seawater through industrial processes. However, sodium sulfate is not typically produced commercially from seawater.

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