Acid and Base review

Which range of numbers represent basic solution?

• 0-6
• 7
• 8-14
• 3-9

A solution with a pH of 7 is________

• increasing
• neutral
• decreasing
• apple juice

When put into a basic solution, red litmus paper ________.

• stays red
• turns magenta
• turns blue
• turns violet

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

Many cleaning solutions are bases. Which of the following is a property of most bases?

• feels slippery
• white color
• can only be liquid
• tastes sour

What is a solution that has more hydroxide (OH^-) than hydrogen (H⁺) ions.

• pH=6.5
• acid
• neutral
• base

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

• Oxygen
• Hydrogen
• Nitrogen
• None of the others

A sample of pure water is neutral because it contains

• some H⁺ ions. 
• equal amounts of hydroxide and hydrogen ions.
• some hydroxide ions.
• only H₂O molecules. 

Tastes bitter.

• Acids
• Bases
• Salts
• All

Turns litmus blue.

• Acids
• Bases
• Salts
• All