Formation of white crystalline substance which appears on the surface due to the presence of salts in materials used for making plaster is called as __________
(a) Cracking
(b) Crystallisation
(c) Efflorescence
(d) Crazing
I had been asked this question by my college professor while I was bunking the class.
My question comes from Terminology Used in Plastering Work in division Pointing and Plastering of Construction & Building Materials