Bases and Acids

Question 1

Bases pH is

Answer 1

greater than poH

Question 2

Acid pH is

Answer 2

less than poH

Question 3

Base OH is

Answer 3

greater than H+

Question 4

Acid OH is

Answer 4

less than H+

Question 5

What are some properties of acids?

Answer 5

sour taste, react with metals, form hydrogen ions when water is added

Question 6

What are some properties of bases?

Answer 6

slippery or soapy, bitter in taste, form hydroxide ions when water is added

Question 7

When an acid solution is added to water the pH..

Answer 7

increases

Question 8

When a base solution is added to water the pH..

Answer 8

decreases

Question 9

What does pH stand for?

Answer 9

the power of hydrogen

Question 10

If the pH increases by 2 units what happens to the H+?

Answer 10

the H+ will decrease by a factor of 10

Question 11

If the pH decreases by 1 unit what happened to the H+?

Answer 11

the H+ will increase

Question 12

How is hydrochloric acid used in the body?

Answer 12

it is used to digest food

Question 13

When Phenolphthalein is added to a base what color does it change?

Answer 13

pink

Question 14

When Phenolphthalein is added to acid what color does it change?

Answer 14

clear

Question 15

Covalent is..

Answer 15

nonmetal + nonmetal

Question 16

Ionic is..

Answer 16

metal + nonmetal

Question 17

What happens to the pH level of substances when it is diluted?

Answer 17

the pH will decrease