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10SCI Acids and Bases

Total questions: 40

Worksheet time: 28mins

Name
Class
Date
1.

What is the formula for hydrochloric acid

a)

HCl

b)

CH3COOH

c)

H2SO4

d)

HNO3

2.

What is the name for this acid H2SO4

a)

hydrochloric acid

b)

ethanoic acid

c)

sulfuric acid

d)

nitric acid

3.

Properties of bases are

a)

feel soapy

b)

react with metals to produce bubbles

c)

taste sour

d)

have pH less than 7

4.

Which of the following values would represent the pH of a strong base?

a)

1

b)

8

c)

7

d)

13

5.

You add more bodies into a "mosh pit" to hope for more collisions. You have increased

a)

temperature

b)

concentration

c)

pressure

d)

catalyst

6.
Bleach and oven cleaner are:
a)
strong acids
b)
weak acids
c)
strong bases
d)
weak bases
7.

Increase in temperature causes the particles to

a)

slow down

b)

move faster

c)

stay apart from each other

d)

move in the correct order

8.
What is the pH of water?
a)
0
b)
4
c)
7
d)
14
9.

Which of the following is NOT a characteristic of an acid?

a)

sour taste

b)

corrosive

c)

turns litmus paper blue

d)

neutralises bases

10.

Which of the following is true .

a)

Acids and bases form hydroxide ions in solution

b)

Acids form hydroxide ions and bases hydrogen ions in solution

c)

Acids form hydrogen ions in solution, bases do not form ions in solution

d)

Acids form hydrogen ions in solution and bases hydroxide ions

11.

A substance that is 3 on the pH scale would be a(n):

a)

acid

b)

base

c)

neutral

d)

solute

12.
Which one of the following is an example of a base?
a)
orange juice
b)
dish soap
c)
vinegar
d)
lemons
13.

Which of the following substances is alkaline

a)

dishwashing liquid

b)

vinegar

c)

distilled water

d)

milk

14.
What is the formula for nitric acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
15.
What is the rate of reaction?
a)
How fast a reaction is 
b)
How big a reaction is
c)
How loud a reaction is
d)
How much gas a reaction produces
16.

Which of the following is the strongest base?

a)

oven cleaner - 13.5

b)

lemon juice - 2.5

c)

soap - 10

d)

blood - 7.4

17.
Salts that are made with nitric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
18.

Which of the following is the weakest base?

a)

oven cleaner - 13.5

b)

lemon juice - 2.5

c)

soap - 10

d)

blood - 7.4

19.

Grinding a berocca tablet into powder increases the rate of reaction due to increase of

a)

concentration

b)

surface area

c)

temperature

d)

size

20.

Which of the following is the strongest acid?

a)

oven cleaner - 13.5

b)

lemon juice - 2.5

c)

soap - 10

d)

blood - 7.4

21.

Which factors increase the rate of a reaction?

a)

increasing temperature

b)

increasing concentration

c)

increasing total surface area

d)

All of these

22.

Which of the following is the strongest base?

a)

soap - 10

b)

HCl - 0

c)

blood - 7.45

d)

soft drink - 3

23.
What makes an effective collision?
a)

When particles collide.

b)

When particles collide with the correct orientation.

c)

When particles collide with correct orientation and enough kinetic energy.

d)
High Temperature.
24.

Which of the following is the strongest acid?

a)

soap - 10

b)

HCl - 0

c)

blood - 7.45

d)

soft drink - 3

25.

Milk is a very weak acid. What might its pH value be?

a)

6.5

b)

7.8

c)

4.2

d)

12.2

26.

If the substance is neutral, what would the pH be?

a)

3

b)

5

c)

7

d)

9

e)

11

27.
Which statement is true when acids and bases are mixed together?
a)
acids become stronger
b)
bases become stronger
c)
there is no change
d)
they neutralize each other
28.
Tastes Sour
a)
Acids
b)
Bases
c)
Salts
d)
All
29.

Vinegar, fruit juice, and cola are examples of:

a)

strong acids

b)

strong bases

c)

strong bases

d)

weak acids

30.

How could we make this reaction happen more quickly?

a)

Decrease the concentration of the acid

b)

crush the chalk to increase the surface area

c)

Put the test tube in an ice bath

31.
A substance that changes color when mixed with an acid or base is a(n) ___.
a)
indicator
b)
neutralizer
c)
corrosive
d)
electricity
32.

Taste bitter

a)

acids

b)

bases

c)

neutral

d)

pH paper

33.

What is the formula for ethanoic acid

a)

HCl

b)

CH3COOH

c)

H2SO4

d)

HNO3

34.
Salts that are made with sulfuric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
35.

The major theory of reaction rate is called

a)

Collision theory

b)

Crash theory

c)

Newton's laws

d)

Thermodynamics

36.

What is the formula for nitric acid

a)

HCl

b)

CH3COOH

c)

H2SO4

d)

HNO3

37.
The rate of a reaction increases as temperature__________________.
a)
Decreases
b)
Increases
c)
Stays the Same
38.
What products are produced when we react an acid with an alkali?
a)
salt + carbon dioxide + water
b)
salt + hydrogen
c)
salt + water
d)
salt + water + hydrogen
39.
Salts that are made with hydrochloric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
40.

What is the formula for sulfuric acid

a)

HCl

b)

CH3COOH

c)

H2SO4

d)

HNO3

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