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Grade 10 2nd Final Review

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.

What is the name of a binary compound made up of lithium and chlorine (LiCl)?

a)

chlorine lithium

b)

chlorine lithate

c)

lithium chloride

d)

lithium chlorate

2.

What is the correct name for N2O

a)

trinitrogen oxide

b)

dinitrogen monoxide

c)

nitrogen dioxide

d)

nitrogen oxide

3.

What is the correct name for CO?

a)

monocarbon monoxide

b)

carbon monoxide

c)

monocarbon oxide

d)

carbon oxide

4.

What is a positively or negatively charged, covalently bonded group of atoms, for example OH-?

a)

binary compound

b)

ion

c)

polyatomic ion

d)

covalent compound

5.

Food preservatives play a role as a/an _________ in chemical reactions that cause food spoilage

a)

catalyst

b)

reactant

c)

inhibitor

d)

product

6.

Between what types of elements would you usually find a covalent bond

a)

metal + non-metal

b)

metal + metal

c)

non-metal + non-metal

d)

noble gas - noble gas

7.

What is matter

a)

anything you can see

b)

anything that has gravity

c)

anything that has mass and volume

d)

anything that can move

8.

H2SO4 is an example of which type of material?

a)

element

b)

compound

c)

mixture

d)

solution

9.

There are 3 naturally occurring isotopes of carbon. Which of the following describes the relationship of these isotopes?

a)

same mass, different atomic number

b)

same mass, same atomic number

c)

different mass, different atomic number

d)

different mass, same atomic number

10.

A homogeneous mixture can also be called a __________

a)

solution

b)

colloid

c)

suspension

d)

fluid

11.

How do you indicate that a substance in an equation is a solution in water?

a)

(l)

b)

(s)

c)

(g)

d)

(aq)

12.

When hydrogen burns, what is oxygen’s role?

a)

catalyst

b)

inhibitor

c)

product

d)

reactant

13.

Which of the following is a heterogeneous mixture?

a)

iron

b)

salt water

c)

sand and water

d)

steel

14.
Exothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
15.
If they energy required to break the bonds is greater than the energy given out by making new bonds the reaction is
a)
Exothermic
b)
Endothermic
c)
Neutralisation
16.

Which type of reaction is shown?

a)

Combustion

b)

single replacement

c)

double replacement

d)

decomposition

17.

Which type of reaction is shown?

a)

Combustion

b)

Composition (or Synthesis)

c)

Decomposition

d)

Double replacement

18.

What are the coefficients that would properly balance this equation?

__Ca + __H2O --> __Ca(OH)2 + __H2

a)

2,1 --> 2,1

b)

1,2 --> 1,1

c)

1,2 --> 2,4

d)

1,2 --> 2,1

19.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__CO + __Fe2O3--> __Fe + __CO2
a)
3,1 --> 2,3
b)
3,2 --> 1,1
c)
3,2 --> 2,4
d)
3,2 --> 2,1
20.
A(n) __________ is a pure substance made of only one type of atom.
a)
compound
b)
element
c)
proton
d)
electron
21.
Examples of elements that are gases and not reactive are called ___________.
a)
metals
b)
non-metals
c)
metalloids
d)
noble gases
22.
The __________ tells you how many protons an element has.
a)
atomic number
b)
atomic mass
c)
energy levels
d)
electrons
23.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
24.

How many neutron are in the atom "K"?

a)

29

b)

19

c)

58

d)

20

25.

A metal being malleable is an example of a _____________

a)

chemical property

b)

physical property

c)

chemical change

d)

physical change

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