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All portland cements are hydraulic cement because they ___________

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All portland cements are hydraulic cement because they ___________

(a) Set and harden in the absence of water

(b) Set and harden in the presence of water

(c) Do not harden after mixing water

(d) None of the mentioned option

The question was asked in unit test.

The query is from Construction Material Cement topic in portion Materials and their Properties of Engineering Chemistry I

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Correct option is (b) Set and harden in the presence of water

Easiest explanation: All portland cements are hydraulic cements because they set and harden under water. This cement not only hardens by reacting with water but also forms a water-resistant product. Portland cement is the most common type of cement in general use around the world, used as a basic ingredient of concrete, mortar, stucco, and most non-speciality grout.

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