GCSE Chemistry – Oxidation and reduction
Learning Objectives
-I can describe reduction
-I can describe oxidation as the loss of electrons
-I can describe reduction as a gain of electrons
-I can write balanced ionic half equations
-I can determine which element in a reaction is oxidised or reduced from the equation
Quiz Summary
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Question 1 of 25
1. Question
What is the definition of oxidation?
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Question 2 of 25
2. Question
What is the definition of oxidation?
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Question 3 of 25
3. Question
What is the definition of oxidation?
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Question 4 of 25
4. Question
What is gained during oxidation?
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Question 5 of 25
5. Question
What is lost during oxidation?
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Question 6 of 25
6. Question
What is the definition of reduction?
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Question 7 of 25
7. Question
What is the definition of reduction?
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Question 8 of 25
8. Question
What is the definition of reduction?
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Question 9 of 25
9. Question
What is gained during reduction?
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Question 10 of 25
10. Question
What is lost during reduction?
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Question 11 of 25
11. Question
What expression can be used to work out if an element has been oxidised or not?
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Question 12 of 25
12. Question
What expression can be used to work out if an element has been reduced or not?
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Question 13 of 25
13. Question
What does ‘OIL’ stand for?
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Question 14 of 25
14. Question
What does ‘RIG’ stand for?
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Question 15 of 25
15. Question
What is the definition of an ionic equation?
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Question 16 of 25
16. Question
What is looked at during an ionic equation?
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Question 17 of 25
17. Question
What is looked at during an ionic equation?
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Question 18 of 25
18. Question
Here is an ionic equation Ca(s) + Mg^{2+}(aq) -> Ca^{2+}(aq) + Mg(s), what is the ionic half equation for calcium?
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Question 19 of 25
19. Question
Here is an ionic equation Ca(s) + Mg^{2+}(aq) -> Ca^{2+}(aq) + Mg(s), what is the ionic half equation for magnesium?
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Question 20 of 25
20. Question
Which element has been oxidised in the following reaction? Ca(s) + Mg^{2+}(aq) -> Ca^{2+}(aq) + Mg(s)
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Question 21 of 25
21. Question
Which element has been reduced in the following reaction? Ca(s) + Mg^{2+}(aq) -> Ca^{2+}(aq) + Mg(s)
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Question 22 of 25
22. Question
Which element has lost electrons in the following reaction? Ca(s) + Mg^{2+}(aq) -> Ca^{2+}(aq) + Mg(s)
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Question 23 of 25
23. Question
Which element has gained electrons in the following reaction? Ca(s) + Mg^{2+}(aq) -> Ca^{2+}(aq) + Mg(s)
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Question 24 of 25
24. Question
How many electrons has calcium lost during this reaction? Ca(s) + Mg^{2+}(aq) -> Ca^{2+}(aq) + Mg(s)
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Question 25 of 25
25. Question
How many electrons has magnesium gained during this reaction? Ca(s) + Mg^{2+}(aq) -> Ca^{2+}(aq) + Mg(s)
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