GCSE Chemistry – Testing for cations
Learning Objectives
-I can describe the tests to identify aqueous cations: Calcium, Copper(II), Iron (II), Iron (III) and Zinc
-I can describe the flame tests to identify Lithium, Sodium, Potassium and Copper (II)
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Question 1 of 14
1. Question
What are the definition of cations?
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Question 2 of 14
2. Question
How can you test for metal cations?
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Question 3 of 14
3. Question
When testing for metal cations with sodium hydroxide what type of observation is seen?
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Question 4 of 14
4. Question
What colour precipitate will form for a calcium ion?
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Question 5 of 14
5. Question
What colour precipitate will form for a copper(II) ion?
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Question 6 of 14
6. Question
What colour precipitate will form for an iron(II) ion?
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Question 7 of 14
7. Question
What colour precipitate will form for an iron(III) ion?
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Question 8 of 14
8. Question
What colour precipitate will form for a zinc ion?
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Question 9 of 14
9. Question
How can you test for metal cations?
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Question 10 of 14
10. Question
Before a metal cation is tested through a flame, what must it be dipped in?
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Question 11 of 14
11. Question
What colour flame will form for a lithium ion?
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Question 12 of 14
12. Question
What colour flame will form for a sodium ion?
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Question 13 of 14
13. Question
What colour flame will form for a potassium ion?
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Question 14 of 14
14. Question
What colour flame will form for a copper ion?
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