Chapter 18 Acids and Bases

Feels slippery.

• Acids
• Bases
• neutral 
• All

Tastes bitter.

• Acids
• Bases
• Salts
• All

Forms hydroxide ions (OH^-) in water

• Acids
• Bases
• All

pH less than 7.

• Acids
• Bases
• All

pH greater than 7.

• Acids
• Bases
• All
• pure water

The pH scale is based off of the concentration of _________ ions.

• Oxygen
• Hydrogen
• Nitrogen
• None of the others

What is a solution that has an excess of hydroxide (OH^-) ions?

• pH=6.5
• acid
• neutral
• base

An acid/base reaction always produces:

• H₂
• H₂O
• NaCl
• H₃O⁺

BASE + ACID ----> SALT +?

• water
• oxygen
• hydrogen ion
• hydroxide ion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

An organic substance that changes color in the presence of an acid or base

• indicator
• inhibitor
• catalyst
• salt