chemical change: solubility rules

Question 1

What is a salt in chemistry?

Answer 1

A salt is an ionic compound formed from the neutralization reaction of an acid and a base.

Question 2

True or False: Salts can only be formed from strong acids and strong bases.

Answer 2

False

Question 3

Fill in the blank: Salts are generally composed of _____ and anions.

Answer 3

cations

Question 4

What is the process of making salts called?

Answer 4

Neutralization

Question 5

Which reaction is used to make sodium chloride?

Answer 5

The reaction between hydrochloric acid and sodium hydroxide.

Question 6

Multiple choice: Which of the following is a common method for making salts? A) Filtration B) Neutralization C) Distillation

Answer 6

B) Neutralization

Question 7

What are the two main components typically involved in the formation of a salt?

Answer 7

An acid and a base

Question 8

True or False: All salts are soluble in water.

Answer 8

False

Question 9

What type of reaction occurs when an acid reacts with a metal carbonate to form a salt?

Answer 9

A neutralization reaction.

Question 10

Fill in the blank: The salt formed from sulfuric acid and potassium hydroxide is called _____ sulfate.

Answer 10

potassium

Question 11

What is the general formula for a salt?

Answer 11

MX, where M is a cation and X is an anion.

Question 12

Multiple choice: Which of the following acids can form salts? A) Acetic acid B) Hydrochloric acid C) Both A and B

Answer 12

C) Both A and B

Question 13

What is the pH of a neutral solution formed from a strong acid and a strong base?

Answer 13

7

Question 14

True or False: Salts can conduct electricity when dissolved in water.

Answer 14

True

Question 15

What is the term for a salt that is formed from a weak acid and a strong base?

Answer 15

Basic salt

Question 16

Fill in the blank: The process of evaporation can be used to _____ salts from a solution.

Answer 16

crystallize

Question 17

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

Answer 17

The pH approaches 7.

Question 18

Multiple choice: Which of the following is a property of salts? A) They have high melting points B) They are always soluble in water C) They are not conductive

Answer 18

A) They have high melting points

Question 19

What is the result of mixing hydrochloric acid with sodium bicarbonate?

Answer 19

Sodium chloride, carbon dioxide, and water are produced.

Question 20

True or False: Salts can be formed through the reaction of an acid with a metal.

Answer 20

True

Question 21

What is a hydrate in relation to salts?

Answer 21

A hydrate is a salt that contains water molecules in its crystalline structure.

Question 22

Fill in the blank: The salt formed from nitric acid and sodium hydroxide is called sodium _____.

Answer 22

nitrate

Question 23

What type of salt is formed when a strong acid reacts with a weak base?

Answer 23

Acidic salt

Question 24

Multiple choice: Which of the following salts is commonly used in food preservation? A) Sodium chloride B) Potassium sulfate C) Calcium carbonate

Answer 24

A) Sodium chloride

Question 25

True or False: The solubility of salts can vary significantly depending on temperature.

Answer 25

True

Question 26

What is the term for the process in which a salt is formed from a gas?

Answer 26

Gas-solid reaction

Question 27

Fill in the blank: The salt formed from phosphoric acid and magnesium hydroxide is called magnesium _____.

Answer 27

phosphate

Question 28

What is the role of water in the crystallization of salts?

Answer 28

Water acts as a solvent to dissolve the salt, allowing it to crystallize upon evaporation.

Question 29

Multiple choice: Which of the following is a property of many salts? A) They are volatile B) They are brittle C) They are gaseous

Answer 29

B) They are brittle

Question 30

True or False: Salts can only be produced in a laboratory setting.

Answer 30

False

Question 31

What is the significance of pH in the formation of salts?

Answer 31

pH indicates the strength of the acid or base involved, affecting the type of salt produced.