Acids and Bases Basics Quiz

What are the properties of acids?

• Bitter taste, ability to turn red litmus paper blue, and ability to react with metals to produce hydrogen gas

• Sour taste, ability to turn blue litmus paper red, and ability to react with metals to produce hydrogen gas

How do acids taste and feel?

• Bitter and soothing

• Sour and burning

What color do acids turn litmus paper?

• Green

• Red

What are the properties of bases?

• No taste, dry feel, and ability to turn blue litmus paper yellow

• Bitter taste, slippery feel, and ability to turn red litmus paper blue

How do bases taste and feel?

• Bitter and slippery

• Sweet and slimy

What color do bases turn litmus paper?

• Blue

• Yellow

What is the pH scale used for?

• To measure the temperature of a substance.

• To measure the acidity or basicity of a substance.

What does a pH value below 7 indicate?

• Alkalinity

• Acidity

What does a pH value above 7 indicate?

• Acidic

• Basic or alkaline

How is the pH of a substance determined?

• Using pH indicators, pH meters, or pH paper.

• By observing the color of the substance