5.3.3 metals react with oxygen

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turn pennish to silver and gold (chemistry trick)

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5.3.2 reaction of zinc with hydrocloric acid video

5.3 Group 1 metals reaction with water video

Answer for exercise 5.3

1. D
2. B
3. C
4. B
5. D
6. B
7. A
8. C
9. D
10.B
11.D

5.3 The reactivity series of metal exercise

Chapter 5 The Air Around Us

Chapter 5 The Air Around Us

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