Chemistry Quiz

What is the definition of a Brønsted-Lowry acid?

• A Brønsted-Lowry acid is a substance that accepts a proton (H+) in a chemical reaction.

• A Brønsted-Lowry acid is a substance that releases electrons in a chemical reaction.

• A Brønsted-Lowry acid is a substance that forms covalent bonds in a chemical reaction.

• A Brønsted-Lowry acid is a substance that donates a proton (H+) in a chemical reaction.

What is the definition of a Brønsted-Lowry base?

• A Brønsted-Lowry base is a substance that can release an electron in a chemical reaction.

• A Brønsted-Lowry base is a substance that can accept a proton (H+) in a chemical reaction.

• A Brønsted-Lowry base is a substance that can donate a proton (H+) in a chemical reaction.

• A Brønsted-Lowry base is a substance that can neutralize an acid in a chemical reaction.

What is the pH scale used for?

• To measure the acidity or alkalinity of a solution.

• To measure the volume of a solution.

• To measure the temperature of a solution.

• To measure the concentration of a solution.

What is the pOH scale used for?

• To measure the concentration of hydroxide ions (OH-) in a solution.

• To measure the concentration of oxygen ions (O2-) in a solution.

• To measure the concentration of hydronium ions (H3O+) in a solution.

• To measure the concentration of hydrogen ions (H+) in a solution.

How can you determine the relative strengths of acids and bases?

• By their density

• By their ability to donate or accept protons

• By their boiling point

• By their color

What is hydrolysis of salts?

• Hydrolysis of salts is a biological reaction in which water molecules react with the ions of a salt to produce energy.

• Hydrolysis of salts is a physical reaction in which water molecules react with the ions of a salt to produce a neutral solution.

• Hydrolysis of salts is a mechanical reaction in which water molecules react with the ions of a salt to produce a solid precipitate.

• Hydrolysis of salts is a chemical reaction in which water molecules react with the ions of a salt to produce an acidic or basic solution.

What are buffers used for?

• Buffers are used to encrypt data.

• Buffers are used to permanently store data.

• Buffers are used to temporarily store data while it is being moved from one place to another.

• Buffers are used to compress data.

What is a polyprotic acid?

• An acid that can donate more than one proton or hydrogen ion (H+)

• An acid that can donate more than one electron.

• An acid that can donate both protons and electrons.

• An acid that can donate only one proton or hydrogen ion (H+).

What is the purpose of acid-base titrations?

• To calculate the volume of a solution.

• To determine the concentration of an unknown acid or base solution.

• To determine the color change of an indicator.

• To measure the pH of a solution.

What are the subtopics covered in this quiz?

• Mathematics

• Science

• History

• Not specified