Unit 5 Concept 4 Notes - Defining

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Multiple Choice

Which of the following best describes a neutralization reaction?

• A reaction where an acid and a base react to form water and a salt.

• A reaction where two acids react to form a base.

• A reaction where a base and a salt react to form an acid.

• A reaction where water reacts with salt to form an acid.

Open Ended

Why is the study of acids and bases important in everyday life and scientific research?

Multiple Choice

Which of the following best describes an Arrhenius acid?

• A substance that increases the concentration of hydrogen ions in aqueous solution

• A substance that increases the concentration of hydroxide ions in aqueous solution

• A substance that donates electrons in a reaction

• A substance that forms covalent bonds with water

Multiple Choice

Which of the following substances can act as an Arrhenius base by reacting with water to remove a hydrogen ion?

• NH3

• NaOH

• KOH

• Ca(OH)2

Fill in the Blank

In a Bronsted-Lowry acid-base reaction, the acid is the proton ___ and the base is the proton ___.

,

Open Ended

Explain why acids can conduct electricity in solution. What role do ions play in this property?

Multiple Choice

Which of the following is NOT a property of acids?

• They taste sour

• They react with bases to form salts and water

• They turn pH paper blue

• They react with some metals to form hydrogen gas

Fill in the Blank

When a base reacts with an acid, it produces salts and ___.

Open Ended

Explain how bases can conduct electricity in solution and describe the role of electrolytes in this process.

Multiple Choice

Which of the following is NOT a property of bases?

• Bases have a bitter taste.

• Bases feel slippery when diluted.

• Bases react with acids to produce salts and water.

• Bases turn pH paper red.

Open Ended

How would you explain the importance of neutralization reactions in everyday life?

Multiple Choice

What is formed when an acid reacts with a base in a neutralization reaction?

• Salt and water

• Only salt

• Only water

• Gas and salt

Open Ended

What questions still remain about how to define an acid or a base?