A glaze has a silica base that causes it to vitrify during firing; this means the glaze becomes:
A) liquid
B) solid
C) glassy
D) matte

Question

Quizplus · Accepted Answer

Vitrification is the process of transforming a material into glass-like substance by heating it to a high temperature. In this case, the silica base in the glaze causes it to vitrify during firing, which means that it becomes glassy, not liquid or solid, and definitely not matte.

A Glaze Has a Silica Base That Causes It to Vitrify