Check concepts

Question

28. Which phrases best describes solution of equals concentration of HCI and CH3COOH?

 

A)do not have the same pH

b)will react the same with metals

c) will make the same salts

d) the same amount of ionization 

 

 

29.which item is a solution of hydrochloric acid and water.

 

a)battery acid

 b) vitamin c

c) stomach acid

d)vinegar

 

30.which acid ionization only particularlly in water

 

a)HCI

B)H2SO4

c)HNO3

d)HC2H3O2

 

31.carrots have a pH of 5.0; how would you describe them?

 

a)acidic 

b)basic

c)neutral

d)an indicator 

 

32.what is the pH of pure water at 25° C?

 

a)0

b)5.2

c)7

d)14

 

33.a change of what property permits certain materials of to act as an indciators

 

a)acidity

b)color

c)concentration 

d)taste

 

34.which substance might you use to tiritare an oxalic acid solution

 

a)HBr

b)Ca(NO3)2

c)NaOH

D)NH4CI

Answer 1

28. A

29. C

30. D

31. A

32. C

33. B

34. C

 

Answer 2

Wow. That's a lot of questions in one place.  I'll give it a shot.

28.  A)do not have the same pH

29.  C) stomach acid

30.  Did you mean which one ionizes partially in water?  If so, it will be d) C2H3O2 (although H2SO4 is also correct)

31.  a) acidic

32.  c) 7

33.  b) color

34.  c) NaOH