A Mix of Three Metals Is Called A/an

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)

Q22: Impression plaster is used when<br>A) no teeth

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.

Q28: Wax impression material is used<br>A) to record