Which of the following is classified as an acidic refractory material?

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

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Subject
Refractory Technologychemical-engineering › refractory-technology
Published
8 Mar 2019
Last updated
28 May 2026

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Explanation

Magnesite, dolomite, and chrome magnesite are basic refractories, whereas fireclay is an acidic refractory due to its high silica content.

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