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GEN CHEM 1 - MT REVIEW

Total questions: 65

Worksheet time: 47mins

Name
Class
Date
1.
Which type of property depends on the amount or size of the sample?
a)
Extensive
b)
Physical
c)
Intensive
d)
Chemical
2.
Which property describes the reactivity of a substance?
a)
Chemical
b)
Physical
c)
Intensive
d)
Extensive
3.
Which state of matter has particles that are less densely packed and have a definite volume?
a)
Liquid
b)
Gas
c)
Solid
d)
Plasma
4.
Which state of matter has particles that are densely packed and have a fixed shape?
a)
Solid
b)
Gas
c)
Liquid
d)
Plasma
5.
What is an example of an extensive property?
a)
Density
b)
Temperature
c)
Mass
d)
Color
6.
What is an example of a pure substance?
a)
Saltwater
b)
Air
c)
Sand
d)
Oxygen
7.
What is an example of a physical property?
a)
Flammability
b)
Reactivity
c)
Acidity
d)
Color
8.
What is an example of a compound?
a)
Carbon
b)
Gold
c)
Water (H2O)
d)
Oxygen
9.

Melting of ice cream

a)

Physical Change

b)

Chemical Change

10.

The rusting of iron nail is an example of ___

a)

Intensive Physical Property

b)

Extensive Physical Property

c)

Chemical Property

d)

Physical Property

11.

Which physical property of matter is shown when a piece of material is turned

into a thin sheet?

a)

Stiffness

b)

Flexibility

c)

Elasticity

d)

Malleability

12.

Copper wires are usually used for electrical wire installations because it is ____

a)

Ductile

b)

Malleable

c)

Brittle

d)

Cheap

13.

Which of the materials below is a poor conductor of heat?

a)

Iron

b)

Wood

c)

Gold

d)

Copper

14.

____ is the characteristic or trait of matter that can be observed or perceived with

our senses easily without changing its chemical composition.

a)

Intensive Physical Property

b)

Extensive Physical Property

c)

Chemical Property

d)

Physical Property

15.

Which method(s) below is suitable to obtain salt from a salt solution?

a)

distillation

b)

dissolving

c)

filtration

d)

evaporation

16.

Which method(s) below is suitable to obtain pure water from a salt solution?

a)

distillation

b)

dissolving

c)

filtration

d)

evaporation

17.

The colour of plant leaves is due to a mixture of pigments.


Which method is used to separate these pigments?

a)

filtration

b)

evaporation

c)

distillation

d)

chromatography

18.

Which processes take place during distillation?

Hint: There are 2 processes.

a)

freezing

b)

boiling

c)

condensation

d)

melting

19.

What is substance W known as?

(a)  

20.

Muddy water is filtered using filter paper and filter funnel. The mud stays on the filter paper.


Why does the mud stay on the filter paper?

a)

The mud reacts with the filter paper.

b)

The particles of mud are too large to pass through the holes in the filter paper.

c)

The particles of the water stop the mud going through.

d)

The particles of water make the filter paper wet.

21.

The following are considered to be nonmetals, EXCEPT:

a)

C

b)

N

c)

K

d)

O

22.

4. Sand and water is an example of ___________.

a)

heterogeneous mixture

b)

mixture

c)

element

d)

homogeneous mixture

23.

5. It is a process by which we learn about the natural universe by observing, testing and then generating models that explain our observations.

a)

SCIENTIFIC METHOD

b)

SCIENTIFIC NOTATION

c)

SCIENCE

d)

CHEMISTRY

24.

9. What is the simplest form that cannot be broken down to anything simpler? 

a)

COMPOUND

b)

MIXTURE

c)

ELEMENT

d)

NONE OF THE ABOVE

25.

The nucleus of an atom is made up of ___________________.

a)

Protons and Neutrino

b)

Neutrons and Electrons

c)

Protons and Neutrons

d)

Protons and Electrons

26.

Which of the following best describes isotopes?

a)

Isotopes have different numbers of neutrons.

b)

Isotopes have different numbers of protons.

c)

Isotopes are atoms of the same element with the same mass.

d)

Isotopes have different numbers of electrons.

27.

What is the chemical name of MgCl2?

a)

Magnesium Chloride 2

b)

Magnesium Chloride

c)

Magnesium (II) Chloride

d)

Magnesium Dichloride

28.

If your cation is a transition metal, it should have a _________________.

a)

Roman numeral

b)

Subscript

c)

Polyatomic Ion

d)

Prefix

29.

What is the chemical name of CsI?

a)

Cesium Monoiodide

b)

Carbon Sulfide Iodide

c)

Cesium Iodide

d)

Carbon Silicate

30.

Name the ionic compound, LiCl

a)

lithium chlorine

b)

lithium chloride

c)

lithium chlorate

d)

lithium monochloride

31.

What is the formula for diphosphorus pentoxide?

a)

P2O5

b)

PO5

c)

P5O2

d)

Po2O5

32.

An ionic compound forms between a _______ and _______.

a)

metal and non-metal

b)

two metals

c)

two non-metals

33.

What is the name of this compound Na2SO4?

a)

Disodium Monosulfur Tetraoxide

b)

Sodium (II) Sulfate

c)

Sodium Sulfate

d)

Sodium Sulfur Oxide

34.

When naming acids, the prefix hydro- is used when the name of the acid anion ends in _______.

a)

-ide

b)

-ate

c)

-ite

d)

-ic

35.

Which process is essential in purifying water?

a)

A. decantation

b)

B. distillation

c)

C. filtration

d)

D. evaporation

36.

Materials made of iron mixed with other materials in a mixture can be separated using this method. What is it?

a)

A. sieving

b)

B. sedimentation

c)

C. magnetism

d)

D. filtration

37.

5. Which mixtures CANNOT be separated through picking?

a)

A. grains and mongo seeds

b)

B. sliced fruits

c)

C. oil and vinegar

d)

D. nails and pins

38.

9. Kidneys clean our blood through which process?

a)

A. distillation

b)

B. evaporation

c)

C. . decantation

d)

D. filtration

39.

What is the name of the compound Na2SO4?

a)

sodium sulfate

b)

sodium sulfide

c)

sodium sulfite

d)

Sodium sulfuroxide

40.

What is the formula for magnesium carbonate?

a)

MgCO3

b)

Mg(CO3)2

c)

Mg2CO6

d)

Mg2CO3

41.

When substances chemically combine or decompose, the atoms involved in these reactions are still retained and because of this, the combined masses of the atoms are also retained. This is in accordance with the ____________________.

a)

Law of Conservation of Mass 

b)

Law of Multiple of Proportions

c)

Law of Definite Proportions

d)

Law of Definite Composition

42.

The formula containing the smallest whole number of atoms present in a molecule representing a compound.

a)

Chemical formula

b)

Molecular formula

c)

Empirical formula

d)

Mole Ratio

43.

When balancing equations, what can be placed to the left of a formula of a substance to make the equations balanced?

a)

Charge

b)

Subscript

c)

Random number

d)

Coefficient

44.

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

a)

The product is doubled

b)

The product is half the mass of the reactants

c)

The mass is the same

d)

The mass changes depending on the reaction

45.

It is an atom or molecule that have a charge.

a)

Atom

b)

Molecule

c)

Ion

d)

Particle

46.

It is a molecule that contains three or more atoms.

a)

Diatomic Molecule

b)

Polyatomic Molecule

c)

Homonuclear Diatomic Molecule

d)

Heteronuclear Diatomic Molecule

47.

These are compounds that are composed of ions, which are atoms that have a (+) or (-) charge.

a)

Ionic Compounds

b)

Covalent Compounds

c)

Polyatomic Compounds

d)

Compounds

48.

It is a positive charged ion that are formed when an atom loses electrons.

a)

cation

b)

anion

c)

ion

d)

motion

49.

Nonmetal + Nonmetal

a)

Covalent

b)

Ionic

50.

sharing electrons

a)

Covalent

b)

Ionic

51.

Which of the following statement is true about ions?

a)

Formed when an atom gains electrons

b)

Formed when an atom loses electrons

c)

Formed when an atom shared electrons

d)

Formed when an atom gains or looses electrons

52.

Which of the following is/are an example/s of ions?

a)

1 & 5

b)

3 & 4

c)

2 & 6

d)

1, 5 & 6

53.

Mechanical digestion of the food in the mouth.

a)

Physical Change

b)

Chemical Change

54.

What is the isotope of Hydrogen that has 2 neutron and 1 proton?

a)

Protium

b)

Deuterium

c)

Tritium

d)

Pentium

55.

What is the chemical symbol for Radon?

a)

Ra

b)

Rn

c)

Rd

d)

Ro

56.

What is the left part of a chemical equation called?

2H2 + O2 ---> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical equation

57.

What is the right part of a chemical equation called?

2H2 + O2 ---> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical Equation

58.

What is the total number of atoms present in 5Na3PO4?

a)

5

b)

55

c)

40

d)

8

59.

What is the little number after an element in a chemical equation called?

Example: H2

a)

Coefficient

b)

Atom

c)

Subscript

d)

Equation

60.

Is the following equation balanced?

Al + O2 ---> 2Al2O3

a)

YES

b)

NO

61.

How many elements are in C6H12O6?

a)

1

b)

2

c)

3

d)

4

62.

In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?

a)

Mg and O

b)

Mg and MgO

c)

MgO

d)

O and MgO

63.

Balance this equation:

H2 + Cl2 ---> HCl

a)

It is balanced.

b)

H2 + Cl2 ---> 2HCl

c)

3H2 + Cl2 ---> 6HCl

d)

H2 + 3Cl2 ---> 6HCl

64.

How many Oxygen atoms are in 2SO4?

a)

1

b)

2

c)

4

d)

8

65.

Which side of a chemical equation is the product side?

a)

Left (before the yields sign)

b)

Right (after the yields sign)

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