A) \[{{H}_{3}}B{{O}_{3}}\] molecules are loosely chemically bonded and hence soft
B) its low density makes it fluffy
C) it can be powdered to a very small grain size
D) it is chemically inert with the plywood
E) H-bonding in \[{{H}_{3}}B{{O}_{3}}\] gives it a layered structure
Correct Answer: E
Solution :
Boric acid is used in carom boards for smooth gliding of pawns because H-bonding in \[{{H}_{3}}B{{O}_{3}}\]gives it a layered structure.
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