Multiple choice The setting & hardening of cement after addition of water is due to The presence of gypsum Binding action of water Hydration of some of the constituent compound of cement Evaporation of water Due to presence lime. Reveal answer Fill a bubble to check yourself C Correct answer Explanation Setting and hardening occurs due to formation of Bogue's compounds Dicalcium silicate, Tricalcium silicate and tricalcium aluminate.