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Question : The chemical composition of cement is

Option 1: Limestone and Clay

Option 2: Limestone, Clay and Gypsum

Option 3: Limestone and Iron

Option 4: Clay and Gypsum


Team Careers360 2nd Jan, 2024
Answer (1)
Team Careers360 19th Jan, 2024

Correct Answer: Limestone, Clay and Gypsum


Solution : The correct option is Limestone, Clay and Gypsum .

Cement is made of clay, limestone, and gypsum. Calcium carbonate comes from limestone, while clay has silica, alumina and iron oxide. Gypsum is added to manage the setting time by delaying the hydration process.

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