acids and bases

Which of the following statements is true concerning acids and bases?

• acids and bases don't react with each other

• acids mixed with bases neutralize each other

• acids mixed with bases make stronger bases

• acids mixed with bases make stronger acids

Tags

NGSS.MS-PS1-2

Neutral solutions have a pH of:

• 0

• 1

• 7

• 14

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

• acid

• base

• neutral

• solute

Since some acids seemingly "eat away" certain substances, acids are ____.

• bitter
• sliipery
• corrosive
• weak

What color does litmus paper turn in the presence of an acid?

• blue
• black
• green
• red

Tags

NGSS.MS-PS1-2

Bases are located where on the pH scale?

• any number can be a base
• below 7
• above 7
• number 7 is a base

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

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

A substance that is a 10 on the pH scale would be a(n) ____.

• acid
• neutral
• base
• indicator

Which of the following is neutral?

• milk
• eggs
• gummy worms
• pure water

Taste bitter

• acids

• bases

• neutral

• pH paper