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Write the title of this Exercise as a heading: Exercise N5 S4_6A Metals |
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| 1. | 5. |
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| 2. | 6. |
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| 3. | 7. |
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| 4. | 8. |
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| ii) |  |
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| iii) |  |
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| iv) |  |
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| vi) |  |
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| vii) |  |
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| viii) |  |
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| ix) |  |
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