Question

Define polycrystalline solids 2th chemistry

Answer 1

In general, a glycosidic bond is thecovalent bond between two monosaccharides to form a disaccharide. It is formed between the hemiacetal group of anomeric carbon of a carbohydrate in acid by a condensation reaction to a hydroxylgroup of an organic compound. ... A substance with a glycosidic bond is called a glycoside.

Answer 2

Polycrystalline graphite is a graphite material with coherent crystallographic domains of limited size regardless of the perfection and preferred orientation (texture) of their crystalline structure.