Exhibit 31-1 MATCH a Term or Structure from the List Below to Below

question 25

Multiple Choice

Exhibit 31-1
MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.

-____ Small organic molecules that act as lubricants between polymer chains.

• A)BF₃ + H₂O
• B)elastomer
• C)chain-growth polymer
• D)AL(CH₂CH₃)₃ + TiCl₄
• G)thermoplastic
• H)homopolymer
• I)plasticizers
• J)thermosetting resins
• K)copolymers
• L)step-growth polymer
• M)Grubb's catalyst
• N)metallacycle

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Definitions:

Ordering Rules

These are rules that dictate the sequence in which transactions or operations are conducted, often found in technical, financial, or legal contexts to ensure clarity and fairness.

Hobby

An activity done regularly in one's leisure time for pleasure, not normally intended as a primary source of income.

Deductible

An expense that can be subtracted from gross income to reduce taxable income, thereby lowering the tax liability.

Trade Or Business

Engagements or activities conducted for the purpose of income or profit, characterized by continuity and regularity.