Lesson 1

Question 1

What is neutralization?

Answer 1

Neutralization is a chemical reaction between an acid and a base that produces water and a salt.

Question 2

True or False: Neutralization reactions always produce hydrogen gas.

Answer 2

False

Question 3

What are the products of a neutralization reaction?

Answer 3

Water and a salt.

Question 4

Fill in the blank: The reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) is an example of __________.

Answer 4

neutralization

Question 5

Which of the following is a strong acid? A) HCl B) CH3COOH C) H2CO3

Answer 5

A) HCl

Question 6

What is the pH of a neutral solution?

Answer 6

7

Question 7

True or False: A base increases the concentration of hydroxide ions (OH-) in a solution.

Answer 7

True

Question 8

What is formed when sulfuric acid reacts with potassium hydroxide?

Answer 8

Water and potassium sulfate.

Question 9

Fill in the blank: An acid is a substance that donates __________ ions.

Answer 9

hydrogen

Question 10

What type of reaction is H2SO4 + 2NaOH → Na2SO4 + 2H2O?

Answer 10

Neutralization reaction.

Question 11

Identify the acid in the reaction: HNO3 + NaOH → NaNO3 + H2O.

Answer 11

HNO3

Question 12

Which of the following is a property of acids? A) Bitter taste B) Sour taste C) Slippery feel

Answer 12

B) Sour taste

Question 13

What is the general formula for a neutralization reaction?

Answer 13

Acid + Base → Salt + Water

Question 14

True or False: All neutralization reactions are exothermic.

Answer 14

True

Question 15

What happens to the pH of a solution when a strong acid is neutralized by a strong base?

Answer 15

The pH approaches 7.

Question 16

Fill in the blank: A substance that accepts hydrogen ions is called a __________.

Answer 16

base

Question 17

Which indicator is commonly used to determine the endpoint of a neutralization reaction?

Answer 17

Phenolphthalein

Question 18

What does a neutralization reaction between an acid and a carbonate produce?

Answer 18

Salt, water, and carbon dioxide.

Question 19

True or False: Neutralization can occur in both aqueous and non-aqueous solutions.

Answer 19

True

Question 20

What is the role of an indicator in a neutralization reaction?

Answer 20

To show the change in pH.

Question 21

Fill in the blank: The salt formed from the neutralization of hydrochloric acid and sodium hydroxide is __________.

Answer 21

sodium chloride

Question 22

What type of bond is formed in the salt produced from a neutralization reaction?

Answer 22

Ionic bond

Question 23

True or False: Neutralization reactions can be used in titrations.

Answer 23

True

Question 24

Identify the base in the reaction: CH3COOH + NaOH → CH3COONa + H2O.

Answer 24

NaOH

Question 25

What is the significance of neutralization in everyday life?

Answer 25

It is used in antacids to relieve heartburn and in treating acid spills.

Question 26

Fill in the blank: The process of neutralization can help to __________ acidic soils.

Answer 26

alleviate