Quiz about Acids, Bases, pH, and pOH

Question 1

In a neutralization reaction, what are the products of a reaction between an acid and a base?

Accepted Answer

Water and a salt

Answer

Another acid and base

Answer

Carbon dioxide and a salt

Answer

Either two acids or two bases

Question 2

Tastes bitter.

Accepted Answer

Bases

Answer

Acids

Answer

Salts

Answer

All

Question 3

Tastes Sour

Accepted Answer

Acids

Answer

Bases

Answer

Salts

Answer

All

Question 4

Feels slippery.

Accepted Answer

Bases

Answer

Acids

Answer

All

Question 5

Forms hydroxide ions in water

Accepted Answer

Bases

Answer

Acids

Answer

All

Question 6

pH less than 7.

Accepted Answer

Acids

Answer

Bases

Answer

All

Question 7

pH greater than 7.

Accepted Answer

Bases

Answer

Acids

Answer

All

Question 8

What is a solution that has an excess of hydroxide (OH-) ions?

Accepted Answer

base

Answer

pH

Answer

acid

Answer

neutral

Question 9

Acids are found on the pH scale between which numbers?

Accepted Answer

0-7

Answer

7

Answer

7-14

Answer

19-42

Question 10

An acid/base reaction always produces:

Accepted Answer

H2O

Answer

H2

Answer

NaCl

Answer

H3O+

Question 11

A sample of pure water is neutral because it contains

Accepted Answer

equal amounts of hydroxide and hydrogen ions.

Answer

some H+ ions.

Answer

some hydroxide ions.

Answer

only H₂O molecules.

Question 12

BASE + ACID ----> SALT +?

Accepted Answer

water

Answer

oxygen

Answer

hydrogen ion

Answer

hydroxide ion

Question 13

Which is the stronger acid?

Accepted Answer

pH 1

Answer

pH 4

Answer

pH 8

Answer

pH 13

Question 14

According to the pH range which substance is more acidic than lemon juice

Accepted Answer

Hydrochloric acid

Answer

cabbage

Answer

milk

Question 15

The pH scale measures ____ and ____

Accepted Answer

acidity and basic

Answer

the temperature

Answer

how fun a chemistry quiz is

Answer

none of the above

Question 16

Which is most acidic?

Accepted Answer

Lemon Juice

Answer

milk

Answer

bleach

Question 17

Bleach is a strong base, what is the pH level of bleach?

Accepted Answer

13

Answer

14

Answer

1

Answer

2

Question 18

Which food is the most acidic?

Accepted Answer

lemon juice

Answer

bananas

Answer

orange juice

Question 19

A solution with a pH of 7 is________

Accepted Answer

neutral

Answer

increasing

Answer

decreasing

Answer

apple juice

Question 20

________ compounds conduct electricity.

Accepted Answer

Ionic

Answer

Molecular

Answer

Metallic

Answer

Radioactive

Question 21

When a few spoonfuls of sugar are mixed into a cup of water, sugar is the..

Accepted Answer

...solute.

Answer

..acid.

Answer

...base.

Answer

...solvent.

Question 22

In a water solution, how do acids differ from bases?

Accepted Answer

Acids form hydrogen ions(H⁺), while bases form hydroxide ions (OH^-)

Answer

Acids turn litmus blue, while bases turn litmus red.

Answer

Acids form salts, but bases do not.

Answer

Hydrogen ions (H⁺)remain dissolved, by hydroxide ions (OH^-) do not.

Question 23

Which of the following would not be used to indicate whether a solution was an acid or a base?

Accepted Answer

Orange Juice

Answer

pH Paper

Answer

Phenolphthalein Solution

Answer

Universal Indicator

Question 24

Salt, noodles, and a spice packet were added to water to make dinner.  Which of these most likely was the solvent?

Accepted Answer

Water

Answer

Salt

Answer

Noodles

Answer

Spices

Question 25

Salt, noodles, and a spice packet were added to water to make dinner.  Which of these most likely was the solute?

Accepted Answer

Salt

Answer

Water

Answer

Noodles

Answer

Spices

Question 26

Water is called the "universal solvent" because:

Accepted Answer

It is able to dissolve many different solutes

Answer

All life contains water

Answer

It dissolves only a few solutes

Answer

It is found everywhere in the universe

Question 27

Sugar, a molecule, separates into positive and negative ions when dissolved in water.

Accepted Answer

False

Answer

True

Question 28

Ionic and covalent bonds both involve giving, taking, or sharing this part of atom(s).

Accepted Answer

Electrons

Answer

The nucleus

Answer

Protons

Answer

Neutrons

Question 29

An ionic compound forms when two or more atoms share their electrons.

Accepted Answer

False

Answer

True

Question 30

Diluting a strong base will eventually lead to the solution becoming neutral.

Accepted Answer

False

Answer

True

Question 31

A(n) _______ is a substance with a pH greater than 7.

Accepted Answer

Base

Answer

Acid

Answer

Buffer

Answer

Water

Question 32

Which solution releases H+ in solution?

Accepted Answer

Acid

Answer

Base

Answer

Buffer

Answer

Water

Question 33

A solution with a pH of 8.6 would be...

Accepted Answer

Base

Answer

Acid

Answer

Neutral

Answer

Acid and Base

Question 34

A solution with a pH of 3.6 would be...

Accepted Answer

Acid

Answer

Base

Answer

Neutral

Answer

Acid and Base

Question 35

HBr is an example of a(n)

Accepted Answer

Acid

Answer

Base

Answer

Neutral

Question 36

LiOH is an example of a(n)

Accepted Answer

Base

Answer

Acid

Answer

Neutral

Question 37

A solution with a pH of 10 is mixed with a solution with a pH of 4.  What would the pH of the mixture most likely be?

Accepted Answer

7

Answer

10

Answer

4

Answer

40

Question 38

A solution has a pH of 7.0.  What would happen to the pH if OH ions were added?

Accepted Answer

pH would go up

Answer

pH would go down

Answer

pH would stay the same

Answer

None of these

Question 39

How can a scientist safely tell whether an unknown solution is salt in water or sugar in water?

Accepted Answer

By testing the electrical conductivity of the solution

Answer

By tasting the solution

Answer

By smelling the solution

Answer

By filtering the solution

Question 40

In a beaker of concentrated sugar water, pure water is a...

Accepted Answer

...solvent.

Answer

...solute.

Answer

...solution.

Answer

...supsension.

Question 41

When a few spoonfuls of sugar are mixed into a cup of water, sugar is the..

Accepted Answer

...solute.

Answer

..acid.

Answer

...base.

Answer

...solvent.

Question 42

The products of a neutralization reaction are acids and bases

Accepted Answer

False

Answer

True

Question 43

Acids are __________, which means they "eat away" at other materials.

Accepted Answer

corrosive

Answer

transitional metal

Answer

alkiline

Answer

flammable

Question 44

________ compounds conduct electricity.

Accepted Answer

Ionic

Answer

Molecular

Answer

Metallic

Answer

Radioactive

Question 45

Because it will dissolve so many solutes, __________ is called the universal solvent

Accepted Answer

water

Answer

acetic acid

Answer

lime

Answer

nutella

Question 46

What is the concentration of a 250g solution that has 50g of solute?

Accepted Answer

20%

Answer

10%

Answer

15%

Answer

25%

Question 47

Which is the stronger acid?

Accepted Answer

pH 1

Answer

pH 4

Answer

pH 8

Answer

pH 13

Question 48

A solution with a pH of 7 is________

Accepted Answer

neutral

Answer

increasing

Answer

decreasing

Answer

apple juice

Question 49

An acid/base reaction always produces:

Accepted Answer

H2O

Answer

H2

Answer

NaCl

Answer

H3O+

Question 50

The pH scale measures ____ and ____

Accepted Answer

pH level

Answer

the temperature

Answer

how fun a chemistry quiz is

Answer

none of the above

Question 51

If the [H+] of a solution is 1 x 10^-2 mol/L the pH is

Accepted Answer

2

Answer

12

Answer

-2

Answer

1

Question 52

If the pH of a solution is 5 the [H+] is

Accepted Answer

1.0 x 10^-5 M

Answer

1.0 x 10⁵ M

Answer

1.0 x 10⁹ M

Answer

5.0 x 10¹ M

Question 53

If the pH of a solution is 5.6 the pOH is

Accepted Answer

8.4

Answer

6.5

Answer

12.4

Answer

5.6

Question 54

A  pH and a pOH will add up to:

Accepted Answer

14

Answer

0

Answer

7

Answer

1.0 x 10^-14

Question 55

If the [OH-] of a solution is 2.7 x 10^-4 mol/L the pOH of the solution is

Accepted Answer

3.56

Answer

10.44

Answer

1.00

Answer

-4.43

Question 56

If the pH of a solution is 7 the solution is said to be

Accepted Answer

Neutral

Answer

Acidic

Answer

Basic

Answer

Tasty

Question 57

A solution with a [H+] of 9.4 x 10^-5 mol/L is said to be

Accepted Answer

Acidic

Answer

Basic

Answer

Neutral

Answer

negative number, no solution.

Question 58

If the [H+] of a solution is 6.8 x 10^-9 mol/L the pH is

Accepted Answer

8.17

Answer

8.2

Answer

9.99

Answer

8.62

Question 59

if the [H+] of a solution is 8.4 x 10^-3 mol/L the pOH of the solution will be

Accepted Answer

11.92

Answer

2.08

Answer

1.02

Answer

12.98

Question 60

if a solution has a pOH of 5.2 the [OH-] of the solution is

Accepted Answer

6 x 10 ^-6 M

Answer

6.3 x 10 ^-6 M

Answer

1.58 x 10^-5 M

Answer

2 x 10^-5 M

Question 61

Limes have a [H₃O⁺] of 1.3 x 10^-2 mol/L. Their pOH is

Accepted Answer

12.11

Answer

1.89

Answer

1.03

Answer

12.97

Question 62

If the pH of an acid is 3, then it's pOH will be ...

Accepted Answer

11

Answer

3

Answer

14

Answer

12

Question 63

If the pOH of a base is 5, it's pH will be...

Accepted Answer

9

Answer

2

Answer

5

Answer

14

Question 64

Which of the following answer choices represents an acidic pH?

Accepted Answer

1

Accepted Answer

5

Answer

7

Answer

9

Answer

11

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