Quiz

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. State the observation during this reaction. [1] 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] ...