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Chemistry Quiz

Total questions: 112

Worksheet time: 56mins

Name
Class
Date
1.

Of the following states of matter, which takes on the shape of the container and is compressible?

a)

Liquid

b)

Gas

c)

Plasma

d)

Solid

2.

Halo halo: heterogeneous as _____: homogeneous

a)

Fog

b)

Mayonnaise

c)

Marshmallow

d)

Vinegar

3.

Compounds can be separated only by

a)

Evaporating the liquid that contains the atoms.

b)

Using a magnet to attract certain atoms.

c)

Breaking the bonds between the atoms.

d)

Breaking the atoms into smaller pieces.

4.

What is the number of neutrons and electrons of an atom with atomic mass 75 and atomic number 37?

a)

38 n, 37 e-

b)

38 n, 38 e-

c)

37 n, 38 e-

d)

37 n, 37 e-

5.

Which of the following is a physical change?

a)

Digestion of food

b)

Distillation of water

c)

Gas generated from manure

d)

Fermentation of coconut water into vinegar

6.

Which factor affects the rate of dissolution when powdered sugar dissolves more rapidly than granulated sugar?

a)

Particle size

b)

Nature of solute

c)

Stirring

d)

Application of heat

7.

Sodium Chloride conducts electricity when dissolved in water. What type of bond is present in NaCl?

a)

hydrogen

b)

nonpolar

c)

ionic

d)

polar

8.

How do solutions differ from compounds?

a)

Solutions are heterogeneous mixtures; compounds are homogeneous

b)

Solutions vary in composition; compounds have definite composition

c)

Solutions have definite composition; compounds vary in composition

d)

Solutions are formed in chem reactions; compounds combine physically

9.

In a solution, the substance present in the largest amount is called the

a)

Solute

b)

Solvent

c)

Element

d)

Molecule

10.

A chemical equation is balanced by changing

a)

Subscripts

b)

Superscripts

c)

Coefficients

d)

Any of the above is correct as necessary to achieve a balance

11.

Which of the following is the correct set of properties of bases?

a)

Sour taste, corrosive, change litmus from red to blue

b)

Bitter taste, corrosive, change litmus from blue to red

c)

Bitter taste, slippery, change litmus from red to blue

d)

Sour taste, slippery, change Litmus from blue to red

12.

In a redox reaction, reduction is defined as the

a)

Gain of electrons by an atom.

b)

Loss of mass of an atom.

c)

Loss of electrons by an atom.

d)

Gain of mass by an atom

13.

Which of the following is an organic compound?

a)

Baking soda NaHCO3

b)

Glucose C6H12O6

c)

Limestone CaCO3

d)

Sulfuric acid HSO4(aq)

14.

The number of covalent bonds each carbon atom has in organic compounds is usually

a)

one.

b)

two.

c)

three.

d)

four

15.

An alkane with four carbon atoms would have how many hydrogen atoms in each molecule?

a)

4

b)

8

c)

10

d)

16

16.

A petroleum product that is composed of hydrocarbons with 12-15 carbon atoms per molecule is

a)

Gasoline

b)

Kerosene

c)

Paraffin wax

d)

Motor oil

17.

The group -CH3 is called

a)

Methyl

b)

Ethyl

c)

Dimethyl

d)

propyl

18.

Compounds with the same molecular formulas but with different structures are called

a)

Isotopes

b)

Allotropes

c)

Isomers

d)

Polymers

19.

An alkyne with four carbon atoms would have how many hydrogen atoms in each molecule?

a)

2

b)

4

c)

6

d)

8

20.

Ferromagnesian minerals will react with oxygen to produce deeply colored iron oxides. This is an example of

a)

hydration.

b)

carbonation.

c)

oxidation

d)

combination.

21.

Which scientist is referred to as the Father of Chemistry?

a)

Boyle

b)

Berzelius

c)

Lavoisier

d)

Mendeleev

22.

Who is referred to as "The Skeptical Chemist"?

a)

Boyle

b)

Berzelius

c)

Davy

d)

Mendeleev

23.

Electrically neutral group of atoms joined together by chemical bonds are called

a)

Substance

b)

Element

c)

Atom

d)

Molecule

24.

Which of the following substances is a homogenous mixture?

a)

Iron

b)

Seawater

c)

Salt

d)

paper

25.

The place of an element in the periodic table is determined by its

a)

Atomic number

b)

Atomic mass

c)

Density

d)

Chemical activity

26.

"Atoms attempt to require an outer orbital with eight electrons" is a statement of the

a)

Heisenberg certainty theory

b)

Atomic theory

c)

Octet rule

d)

Chemical energy balancing rule

27.

"Atoms are neither created nor destroyed in a chemical reaction" is a statement of the

a)

law of definite proportions

b)

law of conservation of mass

c)

Law of percent composition

d)

atomic theory

28.

The sum of the atomic weights of all atoms in the ammonia molecule, NH3, is called

a)

molecular weight.

b)

gravity weight.

c)

periodic weight.

d)

percent weight.

29.

Atoms that achieve an octet by sharing electrons form

a)

Covalent bonds

b)

Ionic bonds

c)

Metallic bonds

d)

Hydrogen bonds

30.

A chemical reaction that absorbs energy is called

a)

endothermic.

b)

exothermic.

c)

activated.

d)

oxidation-reduction

31.

Which is a material that speeds up a chemical reaction without being permanently changed by the reaction?

a)

Catalyst

b)

Reactant

c)

Product

d)

Active metal

32.

Kathleen wanted to know the nature of carbonated drink. She used a blue Litmus paper. She observed that it turned red after 10 seconds. What is it?

a)

Acid

b)

Base

c)

Salt

d)

Any of them

33.

A substance that ionizes completely into hydronium ions is known as a

a)

Strong acid

b)

Weak acid

c)

Strong base

d)

Weak base

34.

The general equation, A + BC ->B + AC, is called

a)

Combination

b)

Ion exchange

c)

Decomposition

d)

Replacement

35.

Any substance that contains Avogadro's number of particles is called a/an

a)

Mole

b)

Atomic number

c)

Gopher

d)

Pound

36.

The science of organic chemistry deals with

a)

compounds produced by plants and animals.

b)

carbon compounds.

c)

compounds with complex molecules.

d)

the determination of structural formulas

37.

Carbon-to-carbon bonds are

a)

Ionic.

b)

Metallic.

c)

Covalent.

d)

Polar.

38.

Hydrocarbons that have one to four carbon atoms are

a)

Gases

b)

Liquids

c)

Solids

d)

semisolids

39.

Gasoline is a mixture of

a)

Alkanes

b)

Isomers of octane

c)

Hydrocarbon derivatives

d)

Unsaturated hydrocarbons

40.

A hydrocarbon derivative that contains a halogen atom is called

a)

Alcohols

b)

Alkyl halides

c)

Carboxylic acid

d)

Amides

41.

The OH in ROH represents

a)

A functional group

b)

A hydrocarbon group with a name ending in -yl

c)

The hydroxide ion, which ionizes to form a base

d)

The site of chemical activity in a strong base

42.

The hydrocarbon derivative with a general formula of R-NH2 that usually has strong, foul odors is an

a)

Amide

b)

Amine

c)

Alkyl halide

d)

ester

43.

What is the simplest carboxylic acid?

a)

Methanoic acid

b)

Ethanoic acid

c)

Propanoic acid

d)

Butanoic acid

44.

What are the organic compounds that are used in perfumes and for artificial flavors?

a)

Carboxylic acids

b)

Alcohols

c)

Ethers

d)

Esters

45.

What are structural elements of a polymer called?

a)

Isomers

b)

Elastomers

c)

Monomers

d)

Esters

46.

Which is the simplest of the synthetic polymers and is used to make containers?

a)

Polyethylene

b)

Teflon

c)

Polyvinyl Chloride (PVC)

d)

Polystyrene

47.

Fats and oils are

a)

Proteins

b)

Carbohydrates

c)

Nucleic acids

d)

Lipids

48.

Proteins consist of combinations of

a)

Amino acids

b)

Nucleic acids

c)

Esters of glycerin with organic acids

d)

DNA and RNA molecules

49.

The three important monosaccharides are glucose, galactose, and fructose. What sugar unit makes up the table sugar or sucrose?

a)

Glucose and glucose

b)

Glucose and galactose

c)

Glucose and fructose

d)

Galactose and fructose

50.

No two electrons in the same atom can have the same four quantum numbers, according

a)

Periodic Law

b)

Hund's rule

c)

Pauli's exclusion principle

d)

Aufbau principle

51.

Filtration is best used in separating mixtures that are composed of:

a)

Two miscible Liquids

b)

Two miscible solids

c)

A soluble solid in a Liquid

d)

An insoluble solid in a liquid

52.

What occurs as potassium nitrate is dissolved in a beaker of water, indicating that the process is endothermic?

a)

The solution changes color.

b)

The solution gives off a gas

c)

The temperature of the solution increases

d)

The temperature of the solution decreases

53.

What result/s when a base and an acid react together?

I. Water is formed

II. Salt is formed

III. Oxygen is released

a)

I and II

b)

I and III

c)

II

d)

I

54.

Aromatic hydrocarbon is produced from the distillation of:

a)

Petroleum

b)

Coal

c)

Minerals

d)

Natural gas

55.

Which of the following hydrocarbons is an example of an alkyne?

a)

Benzene

b)

Ethane

c)

Methanol

d)

Acetylene

56.

Under which of the following conditions will iron rust?

a)

In oil

b)

In oil and water

c)

In water

d)

In water and oxygen

57.

Which phenomenon was defined by Antoine Henri Becquerel as the spontaneous disintegration of the nucleus atom?

a)

Radioactive

b)

Fusion

c)

Bombarding the atom

d)

Fission

58.

Proteins made up of two or more polypeptide chains are said to possess:

a)

A tertiary structure

b)

A quaternary structure

c)

An enzymatic refractory period

d)

A resistance to denaturation

59.

A hydrocarbon within the maximum number of hydrogen atoms is called

a)

Saturated

b)

Unsaturated

c)

Alkyne

d)

Alkene

60.

No two bodies can occupy the same space in the same time. Which property of matter is explained?

a)

Malleability

b)

Porosity

c)

Impenetrability

d)

Ductility

61.

A solution with a pH of 5

a)

Is as twice acidic as one with a pH of 4

b)

Is half as acidic as a solution with a pH of 4

c)

Is ten times as acidic as a solution with pH of 4

d)

Is one tenth as acidic as a solution with pH of 4

62.

Ozone is a form of oxygen that is

a)

Monoatomic

b)

Diatomic

c)

Triatomic

d)

Tetratomic

63.

Which of these mixtures can be BEST separated by paper chromatography?

a)

Salt solution

b)

Sugar Solution

c)

Iron fillings and sulfur

d)

Food coloring

64.

The most direct and accurate means for determining atomic and molecular weights is by:

a)

Nuclear magnetic resonance spectrometry

b)

Atomic absorption spectrometry

c)

Atomic force microscopy

d)

Mass spectrometry

65.

A solution with a relatively large amount of solute is said to be

a)

Dilute

b)

A weak solution

c)

Concentrated

d)

An amalgam

66.

Fog, which is composed of finely divided water droplets dispersed in air is an example of which of the following types of mixtures?

a)

Solution

b)

Aerosol

c)

Foam

d)

Emulsion

67.

Fermentation of sugar cane produces a fuel material called

a)

Methanol

b)

Ether

c)

Ethanol

d)

Methane

68.

The term that describes different crystalline modifications of the same chemical substance Is called

a)

Planar

b)

Tetrahedral

c)

Isomorphism

d)

Polymorphism

69.

Gases can be compressed because molecules are

a)

always moving

b)

stationary

c)

small

d)

far apart

70.

The rate law expresses the rate of reaction in terms of the concentration of the

a)

Products

b)

Reactants

c)

By products

d)

Catalysis

71.

Which are used to measure the mass of an irregular solid correctly?

a)

Empty beaker

b)

Erlenmeyer flask

c)

Graduated cylinder with water

d)

Vernier caliper

72.

Coins in a piggybank is a(n)

a)

compound

b)

heterogeneous mixture

c)

element

d)

homogeneous mixture

73.

In an electron dot structure of an element, the dots are used to represent

a)

All of the electrons in the atom

b)

The valence electrons

c)

The electron arrangement

d)

Only the electrons that will participate in bond formation

74.

The activation energy of a chemical reaction is the energy that

a)

Activates the catalyst

b)

Must be released from the mixture

c)

Must be removed from the mixture

d)

Initiates the reaction

75.

What is the intermolecular force of attraction between the nucleus of one atom and the electrons of a nearby atom?

a)

London dispersion

b)

Dipole-dipole

c)

Ion-dipole

d)

Van der Waals

76.

A chemical equation is balanced when

a)

the number of atoms of each element is the same in reactants and products

b)

the total number of ions is the same in reactants and products

c)

the total number of ions is the same in reactants and products

d)

the total number of molecules is the same in reactants and products

77.

Which of the following is a solid/solid solution?

a)

An alloy of gold and copper

b)

A strongly electrolytic acid

c)

A neutralized base

d)

A mixture of argon and krypton

78.

What does a triangle (Δ), which is placed in a chemical equation indicate?

a)

Heat is applied

b)

Precipitate is formed

c)

Gas is evolved

d)

Changes happened

79.

Sand and water are mixed. They can be separated by the process of.

a)

chlorination

b)

distillation

c)

evaporation

d)

filtration

80.

The best heat insulator among the following materials is

a)

copper

b)

iron

c)

silver

d)

wood

81.

Which of the following is the best conductor of electricity?

a)

Bronze

b)

Copper

c)

Glass

d)

Gold

82.

Which property of matter remains the same regardless of location?

a)

Density

b)

Mass

c)

Volume

d)

Weight

83.

The first person who informed the world that molecules are in motion was.

a)

Alexander Graham Bell

b)

Galileo

c)

Isaac Newton

d)

Robert Brown

84.

Iron filings and sulfur powder, when stirred together in a test tube, become

a)

a compound

b)

a mixture

c)

an element

d)

new atoms

85.

Sugar is an example of

a)

a compound

b)

a mixture

c)

an atom

d)

an element

86.

Which of the following statements describes the characteristics of molecules of solids?

a)

Molecules are not closely packed together.

b)

Molecules have big spaces between them.

c)

Molecules move ly in all direction.

d)

Molecules vibrate in a fixed position.

87.

This is a mixture of different gases, pollutants, dust, and water vapor. What is it?

a)

Air

b)

Minerals

c)

Soil

d)

Water

88.

What method is used to recover pure water and salt from sea water?

a)

Decantation

b)

Desalination

c)

Evaporation

d)

Filtration

89.

Which of the following gases will keep the candlelight burning?

a)

Carbon dioxide

b)

Krypton

c)

Nitrogen

d)

Oxygen

90.

Which change is exhibited when liquid water freezes and becomes ice?

a)

Chemical

b)

Mechanical

c)

Nuclear

d)

Phase

91.

Most living things are composed of the "big four" elements. These are.

a)

O, C, D, Ca

b)

O, H, C, N

c)

O, H, N, Fe

d)

O, K, N, E

92.

Black smoke in air is due to

a)

Carbon dioxide

b)

Carbon monoxide

c)

Carbon particles

d)

Water vapor

93.

Some starch is added to hot water and shaken. The milky liquid formed is known as.

a)

a colloid

b)

a solution

c)

a suspension

d)

an emulsion

94.

In filtering a solution, the liquid that passes through the filter paper is the.

a)

filtrate

b)

miniscus

c)

precipitate

d)

residue

95.

Which of these properties can identify a substance?

a)

Color

b)

Density

c)

Mass

d)

Volume

96.

The amount of matter per unit volume is.

a)

density

b)

gravity

c)

mass

d)

weight

97.

Which of the following is the correct value for the mass of an electron?

a)

9.109 x 10^-30 kg

b)

9.109 x 10^-31 kg

c)

1.675 x 10^24 kg

d)

1.673 x 10^24 kg

98.

What information can be taken from the atomic number of an element?

a)

The number of neutrons

b)

The number of protons

c)

The number of electrons

d)

Both b and c.

99.

The atomic number is sometimes referred to as the:

a)

Negative charge

b)

Element charge

c)

Atomic charge

d)

Nuclear charge

100.

Which of the following is the isotope of Hydrogen that contains two (2) neutrons?

a)

Tritium

b)

Deuterium

c)

Hydrogen

d)

Hydroxide

101.

What are the two types of isotopes?

a)

Negative and positive isotopes

b)

Stable and unstable isotopes

c)

Pure and solution isotopes

d)

None of the above.

102.

What is the smallest building blocks of matter?

a)

Molecules

b)

Elements

c)

Atoms

d)

Liquids

103.

Which of the following is the value that determines wether or not a reaction is spontaneous

a)

Heat of formation

b)

Entropy Change

c)

Exothermic reaction

d)

Gibbs free energy

104.

A group of covalently bonded atoms that acts like a single atom when combining with other atom is referred to as

a)

Ionic bond

b)

Covalent bond

c)

Polyatomic bond

d)

Ionic bonded atom

105.

A petroleum that contains of a hydrocarbon of 16 to 18 molecules

a)

paraffin

b)

asphalt

c)

gasoline

d)

Motor oil

106.

Who discovered the law of conservation of mass?

a)

Antoine Lavoisier

b)

Isaac Newton

c)

Albert Einstein

d)

Alexander Graham Bell

107.

The comparative ability of atoms of an element to attract bonding electrons is called

a)

Electron attraction

b)

Electronegativity

c)

Bonding

d)

Electron transfer

108.

The electrons that participate in the chemical bonding are the

a)

Valence electrons

b)

Electrons in fully occupied orbitals

c)

Stable inner electrons

d)

all of the above

109.

The following represent a chemical change EXCEPT?

a)

The fusion of hydrogen in the sun

b)

Making an iron bar into a magnet

c)

Burning a sample of carbon

d)

Rusting of iron

110.

Which of the following is NOT TRUE about chemical reactions?

a)

It alters the composition of the substance.

b)

It is simply rearrangement of atoms

c)

It changes the identity of the atom.

d)

It forms new substances as products.

111.

A balance equation has

a)

The same number of molecules on both sides of the equation.

b)

The same kinds of molecules on both sides of the equation.

c)

The same number of each kind of atom on both sides of the equation.

d)

All of the above

112.

n ion is formed when an atom of a representative element

a)

gain or lose protons

b)

Shares electrons to achieve stability

c)

Loses or gain electrons to satisfy the octet rule

d)

All of the above

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