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WAEC Chemistry questions: Metals and their compounds

23 questions with answers and explanations. Tap an option to check yourself.

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All topicsAcids, bases and salts · 26Air · 16Atomic structure and bonding · 26Chemical combination · 27Chemical equilibrium · 16Chemistry and industry · 17Electrolysis · 19Energy changes · 16Environmental pollution · 15Kinetic theory of matter and gas laws · 18Metals and their compounds · 23Non-metals and their compounds · 22Organic compounds · 29Oxidation and reduction · 19Rates of chemical reaction · 16Separation of mixtures and purification · 18Solubility · 16Water · 18

  1. Question 1· Metals and their compounds· WAEC

    An alloy of copper and zinc is

    Explanation and discussion

  2. Question 2· Metals and their compounds· WAEC

    Which of these properties is typical of metals?

    Explanation and discussion

  3. Question 3· Metals and their compounds· WAEC

    Galvanised iron sheets used for roofing are coated with

    Explanation and discussion

  4. Question 4· Metals and their compounds· WAEC

    Limestone in the blast furnace removes

    Explanation and discussion

  5. Question 5· Metals and their compounds· WAEC

    Which of the following metals reacts most vigorously with cold water?

    Explanation and discussion

  6. Question 6· Metals and their compounds· WAEC

    The metal that is stored under paraffin oil because it reacts with air and water is

    Explanation and discussion

  7. Question 7· Metals and their compounds· WAEC

    An alloy is

    Explanation and discussion

  8. Question 8· Metals and their compounds· WAEC

    The main ore of iron used in the blast furnace is

    Explanation and discussion

  9. Question 9· Metals and their compounds· WAEC

    Iron is extracted in the blast furnace using

    Explanation and discussion

  10. Question 10· Metals and their compounds· WAEC

    Which of these metals does not react with dilute hydrochloric acid?

    Explanation and discussion

  11. Question 11· Metals and their compounds· WAEC

    Duralumin is used in aircraft bodies because it is

    Explanation and discussion

  12. Question 12· Metals and their compounds· WAEC

    Iron nails in a test tube with boiled water covered by oil do not rust because

    Explanation and discussion

  13. Question 13· Metals and their compounds· WAEC

    Which metal reacts with cold water to give hydrogen?

    Explanation and discussion

  14. Question 14· Metals and their compounds· WAEC

    Aluminium is extracted by electrolysis rather than by reduction with carbon because

    Explanation and discussion

  15. Question 15· Metals and their compounds· WAEC

    Galvanising protects iron by coating it with

    Explanation and discussion

  16. Question 16· Metals and their compounds· WAEC

    A clean iron nail in boiled water covered with a layer of oil does not rust because

    Explanation and discussion

  17. Question 17· Metals and their compounds· WAEC

    Bronze, used for medals and statues, is an alloy of

    Explanation and discussion

  18. Question 18· Metals and their compounds· WAEC

    In the blast furnace, iron is obtained from haematite mainly by reduction with

    Explanation and discussion

  19. Question 19· Metals and their compounds· WAEC

    Aluminium is extracted by

    Explanation and discussion

  20. Question 20· Metals and their compounds· WAEC

    Aluminium is extracted from

    Explanation and discussion

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