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LESSON
chemistry
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5th grade
Chemistry
4 days ago by
11 slides

Chemistry Form 5

Polymer

Body text
Q.

natural polymer

answer choices

cellulose

nylon

Q.

Addition polymerisation occurs when monomers that have ................ react with one another

answer choices

C=C

C-C

Q.

Characteristics of polymer

answer choices

inert and reactive

resistant to high heat

Q.

Plastics that decompose naturally by light

answer choices

biodegradable

photodegradable

lightdegradable

Q.

isoprene is the monomer for

answer choices

plastics

rubber

protein

Q.

coagulation of latex can take place by adding ______

answer choices

NaOH

CH3COOH

NH4

Q.

Silicon rubber is inert and resistant to high temperature. State the 2 uses of silicon rubber

answer choices

tyres

cooking utensils

medical implant

conveyor belts

Q.

what is the monomer for polyethene

answer choices
Q.

monomer for natural rubber

answer choices

propene

styrene

isoprene

Q.

........... polymers cannot be remoulded after heating

answer choices

elastomer

thermosetting

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