Acids and Bases Review 2019

Which of the following is a base?

• orange juice
• water
• vinegar
• dishwashing detergent

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?

• strongly acidic
• slightly acidic
• strongly basic
• slightly basic

Tags

NGSS.MS-PS1-2

Pure water has a pH of 7. Pure water _______.

• is a base
• is a neutral substance
• could be either an acid or a base
• is an acid

Which type of ion does a base produce when it is dissolved in water?

• oxide

• oxygen

• hydrogen

• hydroxide

Tags

NGSS.MS-PS1-2

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

Tags

NGSS.MS-PS1-2

Which food is the most acidic?

• bananas
• lemon juice
• orange juice

Tags

NGSS.MS-PS1-2

Bleach is a strong base, what is the pH level of bleach?

• 13
• 14
• 1
• 2

On the pH scale what numbers are bases?

• 8-14
• 0-7
• 7
• 1

Chalky, soapy, slippery

• Acid 
• Base
• Neutral
• Indicator

Tags

NGSS.MS-PS1-2