Acids and Bases Review

Which of the following is a property of bases?

• a pH < 7
• slippery feel
• tart or sour taste
• corrosive to metals

Which of the following is a property of an acid?

• pH > 7
• turns litmus paper blue
• tart or sour taste
• corrosive to organic materials

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

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

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

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.