wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

laztim

Total questions: 100

Worksheet time: 50mins

Name
Class
Date
1.

Laminated plastic based on fabric impregnated with thermosetting synthetic resin, resistant to stress. Required for the manufacture of ball bearings and gears

a)

Fiberglass 

b)

Polyethylene

c)

Textolite

  

d)

Carbolite 

2.

Phenol Formaldehyde resin is a polymer

a)

natural  

b)

spatial

c)

thermoplastic 

d)

linear

3.

Increasing the acidity of HMC solutions the viscosity

a)

increases

b)

decreases

c)

fluctuate

d)

unchanged

4.

Natural high-molecular compounds whose macromolecules consist of mononucleotides are called

a)

carboxylic acids

b)

nucleic acids

c)

carbohydrates

d)

proteins

5.

The reaction of obtaining phenol-formaldehyde resin is called

a)

polycondensation

b)

hydration

c)

copolymerization

d)

polymerization

6.

Polyethylene - ... polymer

a)

natural and animal origin

b)

chemical and artificial

c)

chemical and synthetic

d)

natural and chemical

7.

Polyester fiber:

a)

Dacron

b)

Silk

c)

Viscose

d)

Nylon

8.

Natural high-molecular compound

a)

Sucrose

b)

Maltose

c)

Glucose

d)

Fiber

9.

According to the production methods, polymers are divided only into

a)

natural and chemical

b)

synthetic and artificial

c)

artificial and chemical

d)

chemical and physical

10.

If the mass of isoprene rubber is 500,000, then the number of structural units

a)

7693

b)

7796

c)

7233

d)

7353

11.

. Monomers are …

a)

degree of polymerization

b)

number of structural units

c)

part of a macromolecular compound

d)

low molecular weight substances from which polymer molecules are formed

12.

Substances of the same composition, but different structures with different properties are called

a)

Polymers

b)

Isotopes

c)

Homologues

d)

Isomers

13.

As a result of vulcanization of rubber, you can get:

a)

Phenoplast and polyethylene.

b)

Isoprene and vinyl chloride.

c)

Chloroprene and polyvinyl biloride.

d)

Rubber and ebonite.

14.

Phenol-formaldehyde resin is a polymer

a)

Natural

b)

Animal

c)

Synthetic

d)

Linear

15.

Silicone polymers:

 

a)

Styrofoams

b)

Silicones

c)

Rubbers

d)

Phenolics

16.

. Substance that is not part of the plastic

a)

plastic resin

b)

solvent

c)

stabilizer

d)

filler

17.

Rubber is obtained as a result of the reaction:

a)

 Polycondensation

b)

Esterifications

c)

Isomerization

d)

polymerization

18.

The elementary unit -CH2-Cl=CH-CH2- is present in macromolecules:

 

a)

Chloroprene rubber

b)

polypropylene

c)

styrene butadiene rubber

d)

polyethylene

19.

. To obtain phenol-formaldehyde resin, use:

 

a)

C6H4 – (NO2)2

b)

C6H5 - CH3

c)

C6H5 - NH2

d)

C6H5OH

20.

Polymers tend to

 

a)

fast oxidation

b)

chemical activity

c)

water solubility

d)

strength, lightness, inoxidability

21.

Stage of complete dissolution - The transformation of a heterogeneous (two-phase) system into a homogeneous one is

a)

 4th stage of IUD dissolution

b)

3rd stage of IUD dissolution

c)

2nd stage of IUD dissolution

d)

no change

22.

If the mass of isoprene rubber is 500,000, then the number of structural units

a)

 7483

b)

7693

c)

7233

d)

7353

23.

 The elementary link - CH2 - HC \u003d CH - CH2 - is present in macromolecules:

a)

 Polystyrene

b)

Butadiene rubber

c)

Polyethylene

d)

Chloroprene rubber

24.

. A viscous product derived from cellulose used to make fiber and cellophane

Lavsan

a)

Viscose 

b)

Kapron

c)

Nitron

d)

Polyamide

25.

. If the number of structural units is 5500, then the mass of the polyethylene macromolecule is

a)

 164000

b)

114000

c)

184400

d)

154000

26.

A structural link is ...

a)

a group of atoms repeating many times in a macromolecule

b)

a molecule of the substance from which the polymer is synthesized

c)

 part of the polymer macromolecule

d)

polymerization reaction product

27.

The crystallinity of polymers means that

 

a)

polymer macromolecules are in the form of crystals

 

b)

such polymers are solids

polymer

c)

macromolecules do not have the form of crystals

d)

 polymer macromolecules are ordered

28.

Polymerization is…

 

a)

the process of combining large molecules into even larger ones

b)

the process of formation of high-molecular compounds from low-molecular ones without isolation of by-products

c)

the process of formation of macromolecular compounds from carbon dioxide and water

d)

the process of formation of low molecular weight compounds

29.

The structural link of PVC is:

 

a)

СН3—СН = СН2

b)

— СН2—СН2—

c)

— СН — СН2—

d)

СН2 = СН2

30.

During the polymerization of which hydrocarbon, a polymer is formed, the structural formula of which is: : ( - СН2 – СН(СН3) -) n

 

a)

 propane

b)

2-methylpropane

c)

2 - methylprene

d)

propene

31.

The monomer of natural rubber is:

a)

 butadiene

b)

divinyl

c)

isoprene

d)

2-methylpropane

32.

This scheme: n (CH2 = C – CH = CH2) → [- CH2 – C = CH – CH2 –]n  corresponds to the reaction:

a)

 polymerization

b)

copolymerization

c)

polycondensation

d)

isomerization

33.

The copolymerization reaction is obtained:

 

a)

polypropylene

b)

phenol-formaldehyde resin

c)

polyethylene

d)

styrene-butadiene rubber

34.

If the polymer does not have an ordered arrangement of molecules, its structure is called:

a)

 amorphous

b)

crystalline

c)

high molecular weight

d)

low molecular weight

35.

The molecular weight of PVC is 500. Its degree of polymerization is:

a)

 8

b)

18

c)

28

d)

38

36.

The degree of polymerization of polyethylene is 22. Its molecular weight is:

 

a)

626

b)

606

c)

616

d)

618

37.

The composition of a protein is determined by its elemental composition:

a)

 N, O, C, H

b)

H, O, P, Na

c)

N, H, O, N

d)

S, O, H, Fe

38.

complexity of the protein structure is determined by:

 

a)

elemental composition

b)

membership in the Navy

c)

unpredictable properties

d)

high molecular weight

39.

The molecular weight of proteins fluctuates:

a)

from several units to several tens

b)

from several tens to several hundreds

c)

from several hundred to several thousand

d)

from several thousand to several million

40.

 The protein molecule is based on:

a)

 alcohols

b)

amines

c)

acids

d)

amino acids

41.

. The secondary structure of a protein reflects:

 

a)

the sequence of connecting amino acid units in the polypeptide chain

b)

the spatial configuration of the polypeptide chain, resembling a helix

c)

the volume, shape and relative position of the sections of the polypeptide chain

d)

 association of protein macromolecules

42.

. Nitrogenous bases are part of:

a)

 proteins

b)

nucleic acids

c)

fatty acids

d)

nitrogenous bases

43.

Nucleic acids were found:

a)

in cell membranes

b)

in the cytoplasm

c)

in the nuclei of cells

d)

in mitochondria

44.

In a DNA macromolecule, links are connected in series with each other:

a)

 pentose and phosphoric acid

b)

pentose and nitrogenous base

c)

nitrogenous base and phosphoric acid

pentose,

d)

nitrogenous base and phosphoric acid

45.

. Guanine is complementary (complements) in the DNA molecule:

a)

 thymine

b)

 adenine

c)

 guanine

d)

 cytosine

46.

The degree of polymerization is ...

a)

the average number of structural units in a polymer molecule

b)

number of monomer molecules

c)

number of hydrogen atoms in a molecule

d)

a molecule of a substance from which a polymer is synthesized

47.

The amorphous state of the polymer is characterized by

a)

viscosity

b)

lack of orderliness of macromolecules

c)

change in molecular weight

d)

fluidity

48.

. When the network polymers are heated,

a)

softening of the polymer, transition to a viscous state, and then decomposition

b)

the transition of the polymer from a solid to a liquid state

c)

decomposition of polymer molecules without transition to a viscous state

d)

transition of the polymer from liquid to gaseous state

49.

The structural link of PVC is:

a)

СН3—СН = СН2 

b)

— СН2—СН2—

c)

— СН — СН2—

d)

СН2 = СН2

50.

During the polymerization of which hydrocarbon, a polymer is formed, the structural formula of which is ( - СН2 – СН(СН3) -) n

a)

propane

b)

2-methylpropane

c)

methylpropane

d)

propene

51.

The monomer of natural rubber is:

a)

butadiene

b)

divinyl

c)

isoprene

d)

2-methylpropane

52.

 The polycondensation reaction is obtained:

a)

polypropylene

b)

polyethylene

c)

polystyrene

d)

дavsan

53.

If the polymer has an ordered arrangement, it is called:

a)

amorphous

b)

crystalline

c)

high molecular weight

d)

low molecular weight

54.

. The molecular weight of polystyrene is 1248. Its degree of polymerization is:

a)

2

b)

12

c)

22

d)

32

55.

. The degree of polymerization of polypropylene is 32. Its molecular weight is:

a)

1343

b)

1433

c)

1434

d)

1344

56.

Protein contains four chemical elements:

a)

N, H, O, Fe

b)

H, O, S, N

c)

C, H, O, N

d)

S, P, Cu, N

57.

. Proteins are:

a)

artificial fibers

b)

synthetic fibers

c)

natural macromolecular compounds

d)

natural low molecular weight compounds

58.

The minimum content of proteins in the body is expressed in:

a)

intestines

b)

teeth

c)

bones

d)

muscles

59.

Natural proteins most often include:

a)

α - amino acids

b)

β - amino acids

c)

γ - amino acids

d)

ε - amino acids

60.

The primary structure of a protein reflects:

a)

the sequence of connecting amino acid units in the polypeptide chain

b)

the spatial configuration of the polypeptide chain

c)

the volume, shape and relative position of the sections of the polypeptide chain

d)

association of protein macromolecules

61.

Nucleic acids are substances responsible for:

a)

the vital activity of the organism

b)

hereditary characteristics of the organism

c)

metabolism in the body

d)

protective function in the body

62.

The function of nucleic acids in the human body:

a)

fat metabolism

b)

water exchange

c)

protein synthesis

d)

synthesis of carbohydrate

63.

Structural unit of nucleic acids is:

a)

monosaccharide

b)

nucleotide

c)

nucleoside

d)

amino acid

64.

Cytosine is complementary (complements) in the DNA molecule:

a)

thymine

b)

adenine

c)

guanine

d)

cytosine

65.

High molecular compounds (HM - substances with a relative molecular weight:

a)

up to 500

b)

500 - 5000

c)

more than 5000

d)

50

66.

Polymers include:

a)

starch

b)

ethanol

c)

lavsan

d)

acetic acid

67.

Natural organic IUDs include:

a)

starch

b)

ethanol

c)

lavsan

d)

acetic acid

68.

Synthetic organic polymers include:

a)

starch

b)

ethanol

c)

lavsan

d)

acetic acid

69.

The polymerization reaction is carried out due to:

a)

double bonds

b)

triple bonds

c)

functional groups

d)

single bonds

70.

The polycondensation reaction is carried out due to:

a)

double bonds

b)

triple bonds

c)

functional groups of molecules

d)

single bonds

71.

Polyethylene is formed as a result of the reaction:

a)

oxidation

b)

recovery

c)

polymerization

d)

polycondensation

72.

The monomer of the polyethylene synthesis reaction is:

a)

ethylene

b)

glucose

c)

amino acids

d)

isoprene

73.

The monomer of the cellulose synthesis reaction is:

a)

ethylene

b)

glucose

c)

amino acids

d)

isoprene

74.

The cellulose molecule has the following structure:

a)

linear

b)

branched

c)

mesh

d)

combined

75.

. The rubber molecule has the following structure:

a)

linear

b)

branched

c)

mesh

d)

combined

76.

The glycogen molecule has the following structure:

a)

linear

b)

branched

c)

mesh

d)

combined

77.

Thermoplastic polymers include:

a)

rubber

b)

ethanol

c)

polyethylene

d)

ethane

78.

Thermoset polymers include:

a)

rubber

b)

ethanol

c)

polyethylene

d)

ethane

79.

A polymer containing sulfur is:

a)

sulfuric acid

b)

polyvinyl chloride

c)

rubber

d)

tires

80.

. The composition of the membranes of plant cells includes a polymer:

a)

starch

b)

cellulose

c)

DNA

d)

RNA

81.

The smallest density has:

a)

iron

b)

water

c)

polyethylene

d)

aluminum

82.

. Color change of iodine solution is a qualitative reaction to:

a)

cellulose

b)

protein

c)

DNA

d)

starch

83.

Enzymes are:

a)

proteins

b)

lipids

c)

carbohydrates

d)

nucleic acids

84.

Polyethylene refers to

a)

natural IUD

b)

artificial IUD

c)

synthetic IUD

d)

complex IUD

85.

Proteins are formed as a result of the reaction:

a)

oxidation

b)

recovery

c)

polymerization

d)

polycondensation

86.

Nucleic acids refers to

a)

natural IUD

b)

artificial IUD

c)

synthetic IUD

d)

complex IUD

87.

IUD solutions are characterized by

a)

high osmotic pressure

b)

low osmotic pressure

c)

mean osmotic pressure

d)

equal osmotic pressure

88.

IUD solutions are characterized by

a)

slow diffusion

b)

fast diffusion

c)

average diffusion

d)

equal diffusion

89.

IUD dissolution processes

a)

run spontaneously

b)

proceed involuntarily

c)

go with an increase in free energy

d)

go with a decrease in free energy

90.

IUD solutions are characterized by

a)

medium viscosity

b)

low viscosity

c)

high viscosity

d)

equal viscosity

91.

When the isoelectric state of the protein molecule

a)

positive

b)

negative

c)

neutral

d)

equal

92.

In IPT (a linear protein macromolecule twists into a globule), the properties of protein solutions have

a)

maximum solubility

b)

minimum solubility

c)

maximum viscosity

d)

minimum viscosity

93.

. Choose the correct answer

a)

The process of penetration of solvent molecules into HMW macromolecules leads to the fact that during swelling the volume of the polymer always increases, and the volume of the entire system decreases.

b)

The process of penetration of solvent molecules into HMW macromolecules leads to the fact that during swelling the volume of the polymer always decreases, and the volume of the entire system increases.

c)

The process of penetration of solvent molecules into HMW macromolecules leads to the fact that during swelling the volume of the polymer always increases and the volume of the entire system increases.

d)

The process of penetration of solvent molecules into HMW macromolecules leads to the fact that during swelling the volume of the polymer always increases, and the volume of the entire system is equal.

94.

Choose the correct answer

a)

The IUD dissolution process can be divided into four stages: 1. Initial stage. The system is homogeneous. It is a pure low molecular weight liquid and a pure polymer.

b)

The process of IUD dissolution can be divided into four stages: 1. Initial stage. The system is heterogeneous and two-phase. It is a pure low molecular weight liquid and a pure polymer.

c)

The IUD dissolution process can be divided into four stages: 1. Initial stage. The system is heterogeneous and two-phase. It is a pure low molecular weight liquid and a swollen polymer.

d)

The IUD dissolution process can be divided into four stages: 2. Initial stage. The system is homogeneous. It is a pure low molecular weight liquid and a pure polymer.

95.

With increasing concentration, the viscosity of IUD solutions

a)

increases rapidly

b)

decreases sharply

c)

does not change

d)

equal

96.

With increasing pressure, the viscosity of IUD solutions

a)

is increasing

b)

is decreasing

c)

does not change

d)

equal

97.

Over time, the viscosity of IUD solutions

a)

increases

b)

decreases

c)

does not change

d)

equal

98.

_______ is the property of recovering original shape after the removal of deforming chain.

a)

Rigidity modulus

b)

Young’s modulus

c)

Elasticity

d)

Bulk modulus

99.

The impact strength is measured as …

a)

Elasticity

b)

Strength

c)

Permeability

d)

Toughness

100.

The strength of the polymer increases with  ______ in molecular weight

a)

increases

b)

decreases

c)

slightly decreases

d)

no change

Similar Resources on Wayground

JV Study Guide Health & Safety 2024-25

100 questions

JV Study Guide Health & Safety 2024-25

quiz

Worksheet

•

9th Grade

Civics Test 2025 Update

100 questions

Civics Test 2025 Update

quiz

Worksheet

•

11th Grade

Business and Marketing Fundamentals Quiz

100 questions

Business and Marketing Fundamentals Quiz

quiz

Worksheet

•

12th Grade

Gender and articles Spanish Practice Worksheet

100 questions

Gender and articles Spanish Practice Worksheet

quiz

Worksheet

•

9th Grade

Grade 11~Semester 1 Hairdressing & Cosmetology

103 questions

Grade 11~Semester 1 Hairdressing & Cosmetology

quiz

Worksheet

•

11th Grade

(ChatGPT) LifeSmarts Study Guide Acronyms, Federal Programs,

100 questions

(ChatGPT) LifeSmarts Study Guide Acronyms, Federal Programs,

quiz

Worksheet

•

9th Grade

ACS 1 Fall Final Review 2024

98 questions

ACS 1 Fall Final Review 2024

quiz

Worksheet

•

11th Grade

The French and Indian War

100 questions

The French and Indian War

quiz

Worksheet

•

12th Grade