Cement is produced by heating a combination of various compounds in a rotary kiln. Which compound is present in the highest proportion?

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

PPSCFPSCNTSPakistan govt jobs
Subject
Common Chemical Industrieschemistry-mcqs › common-chemical-industries
Published
18 Mar 2019
Last updated
28 May 2026

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Explanation

The primary component in cement is calcium oxide (CaO), which is present in the largest amount compared to other compounds such as silicon dioxide, aluminum oxide, and magnesium oxide.

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