Acid Base Reactions

Question 1

Acids (Arrenhuis)

Question 2

Arrhenius Acid

Answer 2

An acid is a substance that produces hydrogen ions (H+)/Hydronium ions (H3O+) in an aqueous solution.

Question 3

Arrhenius Base

Answer 3

A base is a substance that produces hydroxide ions (OH-) in aqueous solution

Question 4

Lowry-Bronsted Acid

Answer 4

An acid is a proton (H+ ion) donor

Question 5

Lowry-Bronsted Base

Answer 5

A base is a proton (H+ ion) acceptor

Question 6

Ampholyte

Answer 6

A substance that can act as either a base or an acid
(H20 and HS04)

Question 7

HCL

Answer 7

Hydrochloric Acid
Strong acid

Question 8

H2SO4

Answer 8

Sulphuric acid
Strong acid

Question 9

HNO3

Answer 9

Nitric acid
Strong acid

Question 10

CH3COOH

Answer 10

Ethanoic acid (acetic acid)
Weak acid

Question 11

H2C03

Answer 11

Carbonic acid
Weak acid

Question 12

(COOH)2

Answer 12

Oxalic acid
Weak acid

Question 13

H3PO4

Answer 13

Phosphoric acid
Weak acid

Question 14

NaOH

Answer 14

Sodium hydroxide
Strong base

Question 15

KOH

Answer 15

Potassium hydroxide
Strong base

Question 16

Ca(OH)2

Answer 16

Calcium hydroxide
Strong base

Question 17

NH3

Answer 17

Ammonia
Weak base

Question 18

Na2CO3

Answer 18

Sodium carbonate
Weak base

Question 19

NaHCO3

Answer 19

Sodium bicarbonate
Weak base

Question 20

CaC03

Answer 20

Calcium carbonate
Weak base

Question 21

Strong acids

Answer 21

Ionise completely in water to form a high concentration of H30+ ions

Question 22

Weak acids

Answer 22

Ionise incompletely in water to form a low concentration of H30+ ions

Question 23

Strong bases

Answer 23

Dissociate completely in water to form a high concentration of OH- ions

Question 24

Weak bases

Answer 24

Dissociate incompletely in water to form a low concentration of OH- ions

Question 25

Concentrated

Answer 25

Contains a large amount of acid/base in proportion to the volume of water in the solution

Question 26

Diluted

Answer 26

Contains a small amount of acid/base in proportion to the volume of water in the solution

Question 27

Monoprotic acids

Answer 27

Can only donate one proton

Question 28

Polyprotic acid

Answer 28

Can donate two or three protons

Question 29

Acid+metal

Answer 29

Salt + H2

Question 30

Acid + metal hydroxide

Answer 30

Salt + H20

Question 31

Acid + metal oxide

Answer 31

Salt + H20

Question 33

Acid + base

Answer 33

Salt + H20

Question 34

Acid + metal carbonate

Answer 34

Salt + H20+ CO2

Question 35

Standard solution

Answer 35

A solution in which the concentration is exactly know and remains constant for a certain amount of time

Question 36

Equivalence point

Answer 36

The point at which the acid/base has completely reacted with the base/acid

Question 37

Endpoint

Answer 37

The point where the indicator completely changes colour

Question 38

Independent variable

Answer 38

Volume of acid added

Question 40

Dependent variable

Answer 40

Volume of base added

Question 41

Controlled variable

Answer 41

Standard solution