Acids and Bases

What is a base?

• Has a pH of 3
• Has a pH of 7
• substances that are slippery to the touch; turns red litmus paper blue

Which of the following statements about acids is true?

• They taste sweet.
• They taste sour.
• They have a pH between 8-14.

Which item is an acid?

• Drain cleaner
• Ammonia
• An orange.

What does a pH scale do?

• Tells if a substance is an acid or base
• Measures the strength and weakness of acids and bases
• Both statements are correct

You can eat or drink an acid.

• True 
• False

What is another name for a base?

• Acid
• Alkaline
• pH

Which of the following describes a battery?

• Acid 
• Base

What is the pH of water?

• 11
• 4
• 7

Which of the following substances is acidic?

• baking soda

• lemon-lime soda

• distilled water

• soap

What substance would do the best job of cleaning pots and pans?

• A substance with a pH of 7

• A substance with a pH of 4

• A substance with a pH of 2

• A substance with a pH of 8