Reactivity series and displacement reactions

9.Which of the following word equations correctly represents a displacement reaction?

10.When aluminium reacts with iron oxide, what are the products?

11.Which metal would displace lead from lead nitrate?

12.Why does no reaction occur when calcium is added to sodium carbonate?

13.In an experiment, a student adds a piece of metal X to a blue solution of copper sulfate. After a few minutes, the solution turns green and a brown solid appears. Which statement about metal X is correct?

14.A student places equal masses of magnesium, zinc, iron, and copper into separate test tubes containing the same volume and concentration of hydrochloric acid. The rate of bubble production is measured. Which graph best shows the expected results? (Assume hydrogen bubbles indicate reaction rate.)

15.A displacement reaction occurs when magnesium is added to copper sulfate solution. Which of the following observations is a sign that a chemical reaction has taken place?

16.Which of these metals would displace iron from iron oxide in a thermite reaction?

17.A student adds a piece of metal to a colourless solution of lead nitrate. After a few minutes, a grey solid appears and the solution becomes colourless. Which metal could have been used?

18.In an experiment, a student places a piece of calcium into a solution of sodium carbonate. Which statement best describes the outcome?

19.The reactivity series includes carbon and hydrogen even though they are not metals. Why is carbon included?

20.A student adds zinc granules to a solution of iron(II) sulfate. After some time, the solution becomes colourless and a grey solid forms. Which word equation correctly represents the reaction?

21.A student sets up four test tubes with copper sulfate solution. Into each tube, a different metal is added: magnesium, iron, silver, and copper. After 10 minutes, the student observes the colour of the solution. Which tube shows no colour change?

22.The reaction between magnesium and hydrochloric acid produces hydrogen gas. Which of the following would increase the rate of reaction?

23.A student adds a piece of metal X to a solution of metal Y sulfate. The solution changes from blue to green. Which of the following is a possible identity for X and Y?

24.Which of the following is a sign that a displacement reaction has occurred?

25.A student adds zinc granules to a solution of iron(II) sulfate. Which observation confirms that a displacement reaction has occurred?

26.In an experiment, four metals are added separately to hydrochloric acid. The rate of bubble formation is observed. Which metal is most reactive?

27.A student places a piece of magnesium into a solution of copper(II) sulfate. The blue colour fades and a brown solid appears. Which statement correctly explains why this is a displacement reaction?

28.Which of the following is a sign that a chemical reaction has taken place when a metal is placed into an acid?

29.Why is carbon included in the reactivity series even though it is not a metal?

30.In the reaction: aluminium + iron oxide → aluminium oxide + iron, which statement is correct?

31.A student places calcium into a solution of sodium carbonate. Which statement best describes the outcome?

32.In an experiment, a student adds a piece of metal X to a blue solution of copper sulfate. After a few minutes, the solution turns green and a brown solid appears. What is metal X?

33.Which of the following is a sign of a chemical reaction when a metal is placed in an acid?

34.Which of the following is a sign that a chemical reaction has taken place when a metal is placed in acid?

35.True or false: Calcium would displace iron from iron oxide.

36.In the reactivity series, which two non-metals are often included?

37.Which statement correctly describes why a displacement reaction occurs when magnesium is added to copper sulfate?

38.What colour change indicates that a reaction has occurred when iron is placed into copper sulfate solution?

39.Complete the word equation: aluminium + iron oxide → ?

40.Why is the reaction between calcium and sodium carbonate not possible?

41.Magnesium is more reactive than sodium.

42.Calcium would not displace iron from iron oxide.

43.One way of telling how reactive a metal is by how vigorously it reacts with water.

44.Which of the following is a sign that a displacement reaction has occurred when a metal is added to a metal sulfate solution?

45.Which of the following metals would displace hydrogen from hydrochloric acid?

46.Match each metal to its observation when placed in hydrochloric acid (all at the same concentration and temperature).

47.Arrange these metals in order of decreasing reactivity (most reactive first).

48.Which of the following are signs that a displacement reaction has occurred? (Select all that apply)

49.In a displacement reaction, a more reactive element replaces a less reactive element in a compound.

50.A student adds a piece of copper to a solution of silver nitrate. Which of the following is the correct word equation for the reaction that occurs?

51.Describe why a displacement reaction occurs when magnesium is added to copper sulfate solution.

52.State how we know that a chemical reaction has taken place when magnesium reacts with copper sulfate.

53.State which of magnesium and lead is more reactive. Explain the reason for your answer.

54.Describe why the reaction: calcium + sodium carbonate → sodium + calcium carbonate is not possible.

55.Complete the word equation for the displacement reaction between aluminium and iron oxide.

56.Complete the word equation for the displacement reaction between magnesium and copper chloride.

57.Complete the word equation for the displacement reaction between zinc and iron sulfate.

58.A student adds 2.0 g of magnesium to excess copper sulfate solution. Assuming all magnesium reacts, what mass of copper is produced? (Relative atomic masses: Mg = 24, Cu = 64. Give your answer to 1 decimal place.)

59.A student adds 2.0 g of magnesium to excess copper sulfate solution. Assuming all magnesium reacts, what mass of copper is produced? (Relative atomic masses: Mg = 24, Cu = 64)

60.Describe why the reaction calcium + sodium carbonate → sodium + calcium carbonate is not possible.

61.A student adds 2.0 g of magnesium to excess copper sulfate solution. Assuming all magnesium reacts, what mass of copper is produced? (Relative atomic masses: Mg = 24, Cu = 64. Give your answer to 1 decimal place.)

62.A student adds 2.0 g of magnesium to excess copper sulfate solution. Assuming all magnesium reacts, what mass of copper is produced? (Relative atomic masses: Mg = 24, Cu = 64)