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Chemistry Milestone Physical Science

Total questions: 64

Worksheet time: 3580secs

Name
Class
Date
1.

What causes climate change?

a)

burning fossil fuels

b)

too many birds

c)

hurricanes

d)

bad batteries

2.

Choose all the fossil fuel examples.

a)

coal

b)

oil

c)

gas

d)

wind

e)

solar

3.

A portable source of electric power

a)

a battery

b)

a windmill

c)

a hydroelectric dam

d)

your feet

4.

But finding that battery for electric vehicles may be critical to fighting _____

a)

climate change

b)

other producers of batteries

c)

meteorites

5.

Burning fossil fuels, like gasoline, emits what gas?

a)

carbon dioxide

b)

oxygen

6.

The best version we've managed so far is probably the one in your pocket, the battery in your phone, which uses the element _____.

a)

lithium

b)

hydrogen

c)

carbon

d)

sodium

7.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
8.
How many Oxygen are in H2O?
a)
1
b)
2
c)
0
d)
4
9.
How many Magnesium are in 10MgCl2?
a)
10
b)
5
c)
20
10.
Number of N in (NH₄)₂CrO₄
a)
1
b)
2
c)
8
d)
16
11.
(Element or Compound)
       C2H8O 
a)
Element
b)
Letters
c)
Numbers
d)
Compound
12.
How many atoms of Hydrogen are in this compound
a)
1
b)
2
c)
3
d)
4
13.
A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
a)
element symbol; atoms
b)
atom; element symbol
c)
subscript; protons
d)
compound; elements
14.
If there is no subscript, there is ______ atom(s) of that element.
a)
0
b)
2
c)
only 1
d)
1 million
15.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
16.
How many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O3
a)
2
b)
6
c)
1
d)
4
17.
What is the left part of a chemical equation called...
H2 + O --> H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
18.
Balance this equation:
 2Li + Cl2 -> LiCl
a)
2Li + Cl2 -> 4LiCl2
b)
2Li + Cl2 -> LiCl2
c)
2Li + Cl2 -> 2LiCl
19.
 Mg  +  ___ HCl  →   MgCl2  +   H2
a)
1
b)
2
c)
3
d)
4
20.
Which side of a chemical equation os the product side?
a)
Left (before the yields sign)
b)
Right (after the yields sign)
21.
Which problem is balanced?
a)
PbO2 + 2H2
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
22.
Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe
a)
Yes
b)
No
23.

CH4 + 2 O2 → CO2 + 2H2O

In this equation, CH4 is a

a)

product

b)

reactant

c)

replacement

24.

Si + S8 →Si2S4

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

25.

Pb(NO3)2 →PbO + NO2 + O2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Combustion

26.

Mg + N2 →Mg3N2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Combustion

27.

NO2 →N2 + O2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Combustion

28.
AB + CD →AD + CB
a)
Double Replacement
b)
Single Replacement
c)
Synthesis
d)
Decomposition
29.
AB →A + B
a)
Decomposition
b)
Single Replacement
c)
Double Replacement
d)
Synthesis
30.

Cu + 2Ag(NO3) → 2Ag + Cu(NO3)

a)

Synthesis Reaction

b)

Decomposition Reaction

c)

Single Replacement Reaction

d)

Double Replacement Reaction

31.

C + O2 → CO2

a)

Synthesis Reaction

b)

Decomposition Reaction

c)

Single Replacement Reaction

d)

Double Replacement Reaction

32.
Always starts with a hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
33.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
34.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
35.
What are always the product(s) for the combustion of a hydrocarbon?
a)
O2
b)
Acids and Bases
c)
H2O and CO2
d)
H2 and C
36.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
37.
Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.
The substance in the beaker
a)
is a base.
b)
has a neutral pH.
c)
is an acid.
d)
does not have a pH.
38.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
39.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
40.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
41.
The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?
a)
3
b)
9
c)
7
d)
5
42.
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
a)
Acids; pH less than 7
b)
Acids; pH greater than 7
c)
Bases; pH greater than 7
d)
Bases; pH less than 7
43.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
44.
Which of these pH values would indicate that a solution is a weak base?
a)
4
b)
5.6
c)
8
d)
13
45.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
46.
Which of the following is true about acids and bases?
a)
The lower the pH, the stronger the acid
b)
the higher the pH, the stronger the acid
c)
The lower the pH, the more neutral the acid
d)
The higher the pH, the weaker the base
47.
Chalky, soapy, slippery
a)
Acid 
b)
Base
c)
Neutral
d)
Indicator
48.
A compound that changes color when it is in contact with an acid or base is called______________
a)
Acid
b)
Base 
c)
Neutral
d)
Indicator
49.
On the pH scale what numbers are neutrals?
a)
8-14
b)
0-7
c)
7
d)
1
50.
In a neutralization reaction, what are the products of a reaction between an acid and a base?
a)
Another acid and base
b)
Carbon dioxide and a salt
c)
Water and a salt
d)
Either two acids or two bases
51.
Which one of the following equations is correct for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)?
a)
HCl + NaOH ➞ H₂O + NaOCl
b)
HCl + NaOH ➞ HCl + H₂O
c)
HCl + NaOH ➞ NaCl + H₂O
d)
HCl + NaOH ➞ NaH + HOCl
52.

What is the formula for magnesium phosphide?

a)

Mg3P2

b)

Mg2P3

c)

MgP3

d)

MgP

53.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
54.
Name this compound: 
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
55.
Which of these combinations is an ionic compound made of?
a)
Metal and Metal
b)
Nonmetal and Nonmetal
c)
Metal and Nonmetal
d)
Cation and Cation
56.
Name this compound: 
KF
a)
Potassium fluoride
b)
Potassium fluorite
c)
Fluorine potasside 
d)
Potassium fluorate
57.

LiBr is called

a)

bromide lithium

b)

lithium (I) bromine

c)

lithium bromide

d)

bromine lithide

58.

The name of CaI₂ is

a)

Calcium iodine

b)

carbon iodide

c)

iodine calcide

d)

calcium iodide

59.

The name of Al₂O₃ is

a)

aluminum oxide

b)

aluminum (II) oxide

c)

oxygen aluminide

d)

dialuminum trioxide

60.
How can you tell if it's an ionic compound?
a)
If it contains a non-metal
b)
It if contains a metal at the beginning
c)
If it has a noble gas
d)
If it shares electrons to make eight
61.

When naming ionic compounds, the metal is always named first and the nonmetal or negative ion is always named second.

a)

False

b)

True

62.
Which of the following BEST describes ionic bonds?
a)
Bond held together by a sea of electrons
b)
Bond of two ions of opposite charges held together by electrostatic forces
c)
Bond held together by the sharing of electrons
d)
Bond between hydrogen and an anion or polyatomic ion.
63.

When writing an ionic compound you should always write the _____.

a)

Non-metal first

b)

negative ion second

c)

positive ion second

d)

Metal last

64.
Name the following ionic compound: NaF
a)
nitrogen fluorine
b)
sodium fluoride
c)
nitrogen fluoride
d)
sodium fluorine

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