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When Selecting a Sample of Items to Perform a Test

question 13

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When selecting a sample of items to perform a test of controls,all of the following should be true of a representative sample,except


Definitions:

Cationic Polymerization

A type of chain growth polymerization where the active center of the polymer is a cation.

Isobutylene

A four-carbon branched alkene, also known as isobutene, used in the production of various polymers and chemicals.

Methyl α-methacrylate

An ester used as a monomer in the production of poly(methyl methacrylate) (PMMA) and other acrylic plastics.

Carbon

A chemical element with symbol C and atomic number 6, which is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.

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