IPS Chemical Interactions Chapter 3 Section 3

Question 1

acid

Answer 1

a substance that tastes sour, reacts with metals and carbonates, and turns blue litmus paper red

Question 2

base

Answer 2

a substance that tastes bitter, feels slippery, and turns red litmus paper blue; opposite of an acid

Question 3

carbonate ions

Answer 3

contain carbon and oxygen atoms bonded together and carry an overall negative charge

Question 4

corrosive

Answer 4

the process of acid eating away at a metal

Question 5

Higher numbers on the pH scale mean that a substance is more…

Answer 5

alkaline (base).

Question 6

indicator

Answer 6

a compound that changes color when in contact with an acid or a base

Question 7

Lower numbers on the pH scale mean that a substance is more…

Answer 7

acidic

Question 8

metal etching

Answer 8

result of the reaction of an acid with a metal

Question 9

What color do acids turn blue litmus paper?

Answer 9

red

Question 10

What color do bases turn red litmus paper?

Answer 10

blue

Question 11

What happens if a geologist pours dilute hydrochloric acid on a limestone rock?

Answer 11

bubbles of carbon dioxide appear on the rock’s surface