Acids, Bases, and pH

Acids are what range on the pH scale?

• 0-14
• 0-6.99
• 7
• 7.1-14

Bases are what range on the pH scale?

• 0-6.99
• 7
• 7.1-14
• 0-14

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.

Tags

NGSS.MS-PS1-2

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.

A pH of 14 is a .....

• strong acid
• weak acid
• Strong base
• Weak base

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.

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer