calcium oxide

silica

clay

water

(i) and (iv)

(ii) and (iii)

(i) and (ii)

(iii) and (iv)

lime and silica

lime and alumina

silica and alumina

lime and iron

dicalcium silicate

tricalcium silicate

tricalcium aluminate

tetra calcium alumino ferrite

setting time of cement

soundness of cement

tensile strength of cement

compressive strength of cement