Discussion
State whether the following is true or false.
Earthenware must be glazed to hold liquid, whereas porcelain need not be.
Answer: A
Earthenware keeps appreciable open porosity after firing, so an unglazed piece leaks. Porcelain vitrifies to near zero water absorption and is watertight even where the glaze is missing. A chipped porcelain plate remains usable, whereas chipped earthenware absorbs.
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