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- 1. Multiple Choice
Which of the following is MOST reactive?
Magnesium
Lead
Tin
Copper
Zinc
- 2. Multiple Choice
Which of the following reactions is likely potassium reacting with water?
- 3. Multiple Choice
What will be observed when magnesium is added to iron(II) sulfate solution?
no visible change
green solution turns colourless
green precipitate is formed
brown solid is formed
grey metal remains grey
- 4. Multiple Choice
Explain the observation when magnesium is added to copper(II) sulfate solution.
Mg more reactive than Cu and displace Cu2+ from CuSO4.
Mg less reactive than Cu and displace Cu from CuSO4.
Cu is more reactive than Mg and displace Mg2+ from the solution.
Cu is less reactive than Mg and so is unable to displace Mg.
- 5. Multiple Choice
Which of the following will produce hydrogen gas when added to warm dilute sulfuric acid?
aluminium
silver
sodium
iron
zinc
- 6. Multiple Choice
Which one of the following equations are correct with cold water?
Ca + 2H2O --> Ca(OH)2 + H2
Mg + H2O --> MgO + H2
Cu + H2O --> CuO + H2
2Na + H2O --> Na2O + H2
- 7. Multiple Choice
What is/are formed when iron + lead oxide?
lead
iron
oxygen
iron oxide
lead oxide
- 8. Multiple ChoiceA displacement reaction will occur when...a more reactive metal displaces a less reactive metal from its compound.A less reactive metal displaces a more reactive metal from its compoundDisplacement only occurs when two of the same metals are reactedDisplacement reactions will only occur in metals above iron in the reactivity series
- 9. Multiple Choice
Which of the following would result in a displacement reaction?
iron with magnesium oxide
zinc with iron chloride
iron with zinc sulphate
gold with copper oxide
lead with silver oxide
- 10. Multiple ChoiceWhich one of the following metals could produce zinc metal, if heated with zinc oxide?CopperAluminiumIronSilver
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