GCSE Chemistry – Metal carbonates

Last updated: 16/06/2020
WJEC GCSE Science – Chemistry foundation Limestone GCSE Chemistry – Metal carbonates

Learning Objectives

-I can describe the trend in stabilities of metal carbonates and their thermal decomposition to produce oxides and carbon dioxide

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  1. Current
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  3. Answered

  1. What reaction occurs when metal carbonates are heated?

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  2. What product forms during the thermal decomposition of a metal carbonate?

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  3. What product forms during the thermal decomposition of a metal carbonate?

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  4. What product will form when sodium carbonate undergoes thermal decomposition?

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  5. What product will form when lithium carbonate undergoes thermal decomposition?

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  6. What product will form when potassium carbonate undergoes thermal decomposition?

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  7. What does the difficulty of the decomposition of a metal carbonate depend on?

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  8. What does the difficulty of the decomposition of a metal carbonate depend on?

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  9. What can be used to compare the stability of metal carbonates?

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  10. What type of temperature will be needed to thermally decompose a very stable metal carbonate?

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  11. What type of temperature will be needed to thermally decompose a very unstable metal carbonate?

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  12. How stable will a metal carbonate be that contains a very reactive metal?

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  13. How stable will a metal carbonate be that contains a very unreactive metal?

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  14. What type of temperature will be needed to thermally decompose a metal carbonate that contains a very reactive metal?

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  15. What type of temperature will be needed to thermally decompose a metal carbonate that contains a very unreactive metal?

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  16. Which type of metals are at the top of the reactivity series?

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  17. Which type of metals are at the bottom of the reactivity series?

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  18. Which type of metal carbonates are at the top of the reactivity series?

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  19. Which type of metal carbonates are at the bottom of the reactivity series?

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  20. A test for what type of gas can be used to measure the stability of a metal carbonate?

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  21. What is needed to test for carbon dioxide gas?

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  22. What is the observation for carbon dioxide gas?

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  23. What is tested for in the limewater when measuring the stability of a metal carbonate during thermal decomposition?

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  24. Describe the relationship between the rate the limewater turns milky and the stability of the metal carbonate.

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  25. Describe the relationship between the rate the limewater turns milky and the stability of the metal carbonate.

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