Acids and Bases Review

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.

Acids are what range on the pH scale?

• 0-14
• 0-6.99
• 7
• 7.1-14

Soap is an example of  __________

• A base
• An acid
• A neutral substance

A pH scale is...

• A  corrosive substance that says a substance is an acid.
• An indicator that tells if a substance is an acid or base. 
• A blue litmus paper.
• A red litmus paper.

What does corrosive mean?

• That a substance is a strong base.
• That a substance is neutral.
• That a substance can easily wear away
• The substance is the strongest acid

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

Bases are what range on the pH scale?

• 0-6.99
• 7
• 7.1-14
• 0-14

When found in food, bases are _______.

• Sour
• Bitter
• Salty
• Soggy

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

• Acidic
• Basic
• Neutral

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.