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Quiz

Quiz. First do the lucky dip question you took, once finished return to the writer of the questions. Describe galvanization in one sentence . Why do we galvanize metals? What is an alloy? Give two examples. Write the word equation for metal reacting with oxygen.

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Quiz

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  1. Quiz First do the lucky dip question you took, once finished return to the writer of the questions. • Describe galvanization in one sentence. • Why do we galvanize metals? • What is an alloy?Give two examples. • Write the word equation for metal reacting with oxygen. • What is the common name for hydrogen oxide?

  2. Metal water reaction As well as acids and oxygen, some metals can react with water to form metal oxide and/or metal hydroxide. The Word equation is: Metal + water  Metal oxide + hydrogen gas (or metal hydroxide) e.g. Mg + H2O  MgO + H2 Ca + H2O  Ca(OH)2 + H2

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