Quiz on Acids and Bases

What color does blue litmus paper turn when it comes into contact with an acid?

• Blue

• Green

• Yellow

• Red

Which of the following is NOT a characteristic of acids?

• Sour taste

• pH less than 7

• Turns blue litmus paper red

• pH greater than 7

What is the objective for students in this learning material?

• A. To describe, identify, and name acids and bases.

• B. To describe, identify, and name salts and metals.

• C. To describe, identify, and name gases and liquids.

• D. To describe, identify, and name organic compounds.

How are most acids identified in their chemical formula?

• They contain an O in the front of the chemical formula.

• They contain an H in the front of the chemical formula.

• They contain a C in the front of the chemical formula.

• They contain an N in the front of the chemical formula.

What is the objective of the lesson?

• To describe, identify, and name acids and bases

• To describe, identify, and name salts and metals

• To describe, identify, and name gases and liquids

• To describe, identify, and name organic compounds

Which of the following is a weak acid?

• Hydrochloric acid

• Sulfuric acid

• Acetic acid

• Nitric acid

What happens to red litmus paper when it is exposed to a base?

• It turns red

• It turns blue

• It turns green

• It turns yellow

Which of the following is a weak base?

• Sodium hydroxide

• Hydrochloric acid

• Ammonia

• Sulfuric acid

What is the objective of the lesson described in the image?

• To describe and identify acids and bases and state the products when they react.

• To learn about the periodic table.

• To understand the properties of metals.

• To study the history of chemistry.

Why is the ion product of water important?

• It helps in calculating the pH of a solution.

• It determines the boiling point of water.

• It is used to measure the density of water.

• It indicates the color of water.