Acids and Bases: Chap 14

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

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

• bitter
• sliipery
• corrosive
• weak

Bases are located where on the pH scale?

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

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

• blue
• black
• green
• red

Tags

NGSS.MS-PS1-2

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

According to the pH scale, which item is a stronger base than soap?

• baking soda

• ammonia solution

• tomato

• bleach

According to the pH scale, which item is more acidic than lemons?

• battery

• vinegar

• milk

• blood

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