Which of the following statements about porcelain is not true?
(a) Low voltage porcelain is obtained by wet process
(b) Porcelain is hard and brittle
(c) Porcelain is non-porous
(d) Porcelain is prepared from felspar, clay, quartz and minerals
The question was asked in an international level competition.
I would like to ask this question from Clay Products in chapter Glass, Lime, Clay Products & Bricks of Construction & Building Materials