Chemistry Quiz: Metals

Question 1
List three general physical properties of metals. [3]

Question 2
Define the term ‘reactivity series’. [2]

Question 3
When magnesium is heated in air, it reacts with oxygen.

  1. State the observation during this reaction. [1]
  2. Write a balanced symbol equation for this reaction. [2]

Question 4
Explain why aluminum is extracted by electrolysis rather than by reduction with carbon. [2]

Question 5
Steel is an alloy of iron and carbon. Explain why steel is harder than pure iron. [2]

Question 6
Explain the trend in reactivity of Group 1 metals as you move down the group. Refer to atomic structure in your answer. [3]

Question 7
A piece of zinc is placed in a solution of copper(II) sulfate.

  1. Describe the changes observed in the solution and on the zinc strip. [2]
  2. Explain the cause of these changes in terms of electron transfer. [3]
  3. Write the balanced ionic equation for this reaction. [2]

Question 8
Discuss the cause and effect of adding chromium to steel to produce stainless steel. [3]

Question 9
Describe the process of extracting iron from its ore in a blast furnace. Your answer must include:

  1. The role of coke. [2]
  2. The role of limestone. [2]
  3. One balanced chemical equation occurring in the furnace. [2]

Question 10
Compare the extraction of aluminum from bauxite with the extraction of iron from hematite. Explain why the methods differ based on the reactivity of the metals. [4]

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