1. Acids, Bases and Salts

2. What is the test for carbon
dioxide gas?

3. Name a solution which will change blue
litmus to red.

4. What is the test for Iron (II) ion?
Green precipitate

5. What is the test for Potassium ion?

6. What substance is amphoteric?
Water is amphoteric –
although water is
neutral, it can act as
an acid or a base.

7. What is the test for iodide ion?
Yellow precipitate

8. Give an example of an acidic pH level.

9. What is the test for hydrogen gas?

10. What is the test for carbonate ion?

11. Name a solution which will change red
litmus to blue

12. What is the test for sulfate ion?
White precipitate

13. Give an example of a basic pH level.

14. What is the test for Iron (III) ion?
Red/brown precipitate

15. What pH level is neutral?

16. What is a Brønsted-Lowry Base?

17. Give an example of a soluble salt

18. What is a Brønsted-Lowry Acid?

19. What is the test for chloride ion?
White precipitate

20. Finish this sentence:
“An acid plus a alkali yields…”

21. How can you make an insoluble salt?

22. What is a titration?

23. What is the test for oxygen gas?

24. What is the name of the main lab
apparatus in a titration?

25. What is the test for Zinc (II) ion?
White precipitate

26. Finish this sentence:
“An acid plus a metal yields…”

27. What is the name of the reaction that
creates an insoluble salt?

28. What is the test for Sodium ion?

29. Finish this sentence:
“An acid plus a metal oxide yields…”

30. What is the test for ammonium ion?
Red litmus paper will
turn blue

31. What is the test for Barium ion?

32. What is the test for water?

33. A sodium hydroxide solution was
pipetted into a conical flask and
titrated with hydrochloric acid until
the solution was neutralized. Write a
balance equation for this reaction.

34. 25.0 cm3 of a sodium hydroxide solution
was pipetted into a conical flask and
titrated with 0.200 mol dm-3 (0.2M)
hydrochloric acid. Using a suitable
indicator it was found that 15.0 cm3 of the
acid was required to neutralise the alkali.
Given the reaction below find the
concentration of the alkali.
NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l)

35. What determines whether an acid/base is
strong or weak?

36. What is the test for Iodide?

37. What is the test for Calcium ion?

38. What indicator would you use to determine
the pH number of a solution?

39. What is the test for copper (II) ion?
blue precipitate

40. Finish this sentence:
“An acid plus a metal carbonate yields…”

41. We can use neutralization reactions to
produce substances called salts. Give
any two uses of salts.

42. Name the five metals that can be used to
prepare soluble salts, when mixed with
acid
magnesium
aluminum
zinc
iron
tin

43. What is the test for bromide ion?
Cream precipitate

44. Look at the solubility curve on page 91 in
your notebooks to answer the following
question. What mass of KNO3 will dissolve
in 100mL of water at 40°C

45. Look at the solubility curve on page 91
in your notebooks to answer the
following question. Which is more
soluble at 70°C KCl or HCl?

46. Look at the solubility curve on page 91 in
your notebooks to answer the following
question. At what temperature do NH4Cl
and NH3 have the same solubility?

47. Look at the solubility curve on page 91 in
your notebooks to answer the following
question. How many grams of sodium
nitrate can I dissolve in 200 grams of water
at a temperature of 10˚C?

48. Look at the solubility curve on page 91
in your notebooks to answer the
following question. If 50 grams of a
saturated solution of NH4Cl is cooled
from 70˚C to 30˚C how much salt
would crystallise out of the solution?

49. Sulfuric acid solution was titrated
with potassium hydroxide until the
alkali was neutralized. Write a
balanced equation for this reaction.

50. 20.0 cm3 of 0.0500 mol dm-3 (0.05M)
potassium hydroxide solution was titrated
with 36.0 cm3 of sulfuric acid. Given the
equation below find the concentration of
the acid.
2KOH(aq) + H2SO4(aq) ==> K2SO4 + 2H2O(l)

51. What is the test for aluminum ion?
Clear precipitate

52. What is the test for sulfur dioxide gas?

53. What is the test for chlorine gas?

54. Calculate the percentage by mass of water
in the salt hydrate Na2CO3∙10H2O