Acids, Bases, & pH

Which of the following is an acid?

• Ammonia
• Drain cleaner
• Shampoo
• Orange

What does a pH scale do?

• Tells you if a substance is an acid.
• Tells you if a substance is a base.
• Measures the strength or weakness of an acid or base.
• All of these are true.

What is another name for base?

• Phenolphtalein
• Alkaline
• Acid
• pH

Which of the following describes a battery?

• Acid
• Base

What is the pH of distilled water?

• 1
• 4
• 7
• 11

When found in food, acids are ________

• Sour
• Bitter
• Salty
• Slippery

When found in food, bases are _______.

• Sour
• Bitter
• Salty
• Soggy

What color does acid turn litmus paper?

• It turns litmus paper purple.
• It turns red litmus paper blue.
• It turns blue litmus paper blue.
• It turns blue litmus paper red.

What color does bases turn litmus paper?

• It turns litmus paper purple.
• It turns blue litmus paper red.
• It turns red litmus paper blue.
• It turns red litmus paper re

Drain cleaner has a pH of 13. What is drain cleaner?

• An acid.
• A strong base.
• Neutral.
• A weak base.