Amalgam Goes Through Three Phases When Setting, the Weakest of Which

question 18

Multiple Choice

Amalgam goes through three phases when setting, the weakest of which is the:

• A) gamma phase
• B) gamma-1 phase
• C) gamma-2 phase

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Definitions:

Intramolecular Aldol

A chemical reaction where an aldol condensation occurs within a single molecule, forming a cyclic compound.

2,6-heptanedione

An organic compound characterized by a seven-carbon chain with ketone groups located at the second and sixth carbons.

Crossed Aldol Reaction

An aldol reaction where two different aldehydes or ketones are combined in the presence of a base or acid to produce a β-hydroxy aldehyde or ketone.

Self-aldol Condensation

A reaction where an aldehyde or ketone undergoes condensation with itself in the presence of a base to form a β-hydroxycarbonyl compound (an aldol) or a dehydrated version thereof.