Science Test 24.3 24.2

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1

What is the amout of acid or base dissolved in water called

Concentration

2

When an acid or a base dissolves in water, what is dependent on the number of molecules that break apart

Its strength

3

In what kind of a solution do all of the molucules break apart in water

A strong acid

4

In what kind of an acid do all of the molecules break apart in water

A strong acid

5

in what kind of a solution do all of the molecules of a base break apart

A strong base

6

What is a solution called when only a few of the molecules break apart

A weak base

7

What is the reaction between acis and bases called

Neutralization reaction

8

What do the H+ ions from an acid, and the OH-ions from a base form when they react

Water

9

What can show weather a solution is an acid or a base

An indicator

10

A value that is used to express the acidity or basicity of a system is called

pH

11

The pH of a solution shows the concentration of what type of ion

Hydronium

12

What is the pH of a neutral solution

7

13

What type of solution has a pH of greater than 7

Basic solutions

14

what type of solution has a pH of less than 7

Acidic solutions

15

What are 3 examples of common materials with a pH of less than 7

Leomn Juice
Soft Drink
Milk

16

What are 3 examples of common materials witha pH of more than 7

Sea Water
Detergents
Household Ammonia

17

Pine Trees have a ph of

4-6

18

Lettuce has a pH of

8-9

19

Fish have a pH of

7

20

What is any compound that increases the number of hydronium ions dissolved in water

An acid

21

What does each hydrogen ion bond with to form hydronium ions

A water molecule

22

What do hydrogen ions form when they bond to water molecules

Hydromium ions or H3O

23

What flavor do acids have

Sour

24

Why should a person never touch an unknown chemical

Many are corrosive

25

What can corrosive substances destroy

Boyd tissues and clothing

26

A compound that can reversibly change color depending on conditions such as pH is called

An indicator

27

Two commonly used indicators are bromthymol blue and

Litmus Paper

28

What color does blue litmus paper turn when acid is added to it

Red

29

What is produced when acids react with some meatals

Hydrogen gas

30

Since acids form hydronium ions in water, solutions of acids can

conduct electric current

31

Sulfuric Acid

Car Batteries

32

Nitric Acid

Rubber

33

Hydrochloric Acid

Swimming Pools

34

Citric Acid

Orange Juice

35

Carbonic Acid

Soft Drinks