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Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Unit

Inorganic Chemistry

869 practice questions

Topics covered

Practice questions

671–680 of 869

  1. Question 671

    2 marks · Easy

    Explain, using ions, how carbon dioxide and water are formed when a carbonate reacts with an acid.

    Answer and see the solution →
  2. Question 672

    3 marks · Easy

    Observations when adding dilute acids to various carbonates
    CarbonateAcid usedGas seenOther products
    Zinc carbonateHydrochloric acidYesZinc chloride, water
    Potassium carbonateSulfuric acidYesPotassium sulfate, water

    Study the table above. Answer the following:

    (a)

    What word equation best fits the reactions shown?

    [1 mark]
    (b)

    Name the gas that is always formed.

    [1 mark]
    (c)

    What other product, besides a salt and gas, is always formed?

    [1 mark]
    Answer and see the solution →
  3. Question 673

    1 mark · Easy

    Write the balanced chemical equation for the reaction of lithium carbonate with nitric acid.

    Answer and see the solution →
  4. Question 674

    3 marks · Easy

    Potassium carbonate is added to an excess of dilute hydrochloric acid.

    (a)

    Name the salt formed.

    [1 mark]
    (b)

    Name the gas produced.

    [1 mark]
    (c)

    Write the chemical formula for all products.

    [1 mark]
    Answer and see the solution →
  5. Question 675

    2 marks · Easy

    Write the balanced ionic equation for the reaction between carbonate ions and hydrogen ions. State the names of all products.

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  6. Question 676

    1 mark · Easy

    Write the word equation that shows what is always formed (other than the salt) when a carbonate reacts with an acid.

    Answer and see the solution →
  7. Question 677

    2 marks · Normal

    State the general word equation for the reaction of an acid with a carbonate.

    Answer and see the solution →
  8. Question 678

    4 marks · Normal

    (a)

    Write a balanced chemical equation for the reaction between calcium carbonate and nitric acid.

    [2 marks]
    (b)

    Write a balanced chemical equation for the reaction between magnesium carbonate and sulfuric acid.

    [2 marks]
    Answer and see the solution →
  9. Question 679

    3 marks · Normal

    Explain, with reference to ions, why carbon dioxide and water are formed when a carbonate reacts with an acid. Write the ionic equation for this reaction.

    Answer and see the solution →
  10. Question 680

    4 marks · Normal

    Observations from adding dilute acids to metal carbonates
    CarbonateAcid usedColour beforeColour afterGas formedOther changes
    Copper(II) carbonatesulfuric acidgreenblueyessolution forms
    Sodium carbonatehydrochloric acidwhitecolourlessyessolution forms
    Calcium carbonatenitric acidwhitecolourlessyessolid disappears

    Use the table above.

    State the general word equation for the reaction between an acid and a carbonate, based on the observations.

    Answer and see the solution →