3.2a

An acid has a pH

• higher than 7

• lower than 7

• 7

• greater than 14

the H in pH stands for

• hood

• happy

• hydrogen

• help

acids taste

• bitter

• sour

• furry

if you add an acid to a base what will happen?

• BOOM

• it will neutralize

• it wont mix

Tags

NGSS.MS-PS1-2

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

Is HNO₃ an acid or base?

• Acid
• Base

A substance that is 3 on the pH scale would be a(n):

• acid

• base

• neutral

• solute

Which one of the following is an example of a base?

• orange juice
• dish soap
• vinegar
• lemons

A substance that changes color when mixed with an acid or base is a(n) ___.

• indicator
• neutralizer
• corrosive
• electricity

Which of the following is NOT a characteristic of an acid?

• sour taste
• corrosive
• it feels slippery
• it can burn the skin