Impression Plaster Is Used When

Q17: Chalk, cuttle, rouge, and tripoli<br>A) are all

Q18: A composite contains<br>A) two or more metals<br>B)

Q19: A quinary alloy contains how many metals?<br>A)

Q20: Galvanization is the chemical release of heat.

Q21: When gold is tempered, it is<br>A) hardened<br>B)

Q23: A mix of three metals is called

Q24: The type of gold used for simple

Q25: Polysulfides and polyethers are examples of which

Q26: A type of wax used to set

Q27: Match the term to its correct definition.