Acids and bases

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

Tags

NGSS.MS-PS1-2

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

Bleach and oven cleaner are:

• strong acids
• weak acids
• strong bases
• weak bases

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

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

Taste bitter

• acids

• bases

• neutral

• pH paper

Tags

NGSS.MS-LS1-8

Taste sour

• acids

• bases

• neutral

• pH scale

Taste sour

• acids

• bases

• neutral

• pH scale

Which is the correct set of acid properties?

• sour taste, corrosive, change litmus from red to blue

• sour taste, corrosive, change litmus from blue to red

• sweet taste, slippery, change litmus from blue to red

• sour taste, slippery, change litmus from blue to red

Tags

NGSS.MS-PS1-2