Acids and Bases

If a substance has a pH of 10 it is considered

• Acidic
• Basic
• Neutral

Acids produce _________ ions when they break down or dissocciate. 

• Hydroxide (OH-)
• Water
• Chlorine (Cl-)
• Hydrogen (H+)

Bases release ____________ ions when they break down or dissociate. 

• Hydrogen (H+)
• Hydroxide (OH-)
• Chlorine (Cl-)
• no

Bases are what range on the pH scale?

• 0-6.99
• 7
• 7.1-14
• 0-14

Acids are what range on the pH scale?

• 0-14
• 0-6.99
• 7
• 7.1-14

When found in food, acids are ________

• Sour
• Bitter
• Salty
• Slippery

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

Which of these substances is acidic?

• tap water
• lemon
• ammonia
• baking soda

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.