Acids and Bases Review

Acids are what range on the pH scale?

• 0-14

• 0-6.99

• 7

• 7.1-14

7 on the pH scale means that it is...

• Acidic

• Basic

• Neutral

Lemon juice is an example of  __________

• A base

• An acid

• A neutral substance

Soap is an example of  __________

• A base

• An acid

• A neutral substance

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

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

• An acid.

• A strong base.

• Neutral.

• A weak base.

What are properties of acids?

• Bitter, slippery, ph above 7

• Sour, reacts with metals, ph below 7

• Sour, reacts with metals, ph above 7

• Bitter, ph of 7, does not react with metals

Tags

NGSS.MS-PS1-2

What are properties of a base?

• Slippery, bitter, does not react with metals, pH above 7.

• Slippery, bitter, reacts with metals, pH below 7.

• Sour, reacts with metals, pH below 7

• Sour, reacts with metals, pH above 7.