name any one material which is smooth but hard Share with your friends Share 5 Malvika Tripathi answered this Dear user, The example can be Diamond which is both hard as well as smooth. -1 View Full Answer Ushasi Ghosh answered this Hard plastic which is used to make the holding part of a utensil 3 Shruthi answered this A hard pillow 0 Tamanna Singh answered this SILVER 1
