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.