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

question 6

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.

-____ a polyurethane

• 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:

Temperate Deciduous Forests

Biomes characterized by four distinct seasons and trees that lose their leaves annually; found in temperate zones across the globe.

Greenhouse Gases

Trace gases in the atmosphere that allow the sun’s energy to penetrate to Earth’s surface but do not allow as much of it to escape as heat

Exotic Hardwoods

Wood from trees that are not native to a certain area, often considered more valuable or desirable for construction or furniture due to their rarity or unique properties.

Chlorofluorocarbons

Synthetic organic compounds used in refrigerants and aerosols, notorious for their damaging effects on the Earth's ozone layer.