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Select all the correct answers.

Which of these are examples of mixing and separating?

removing seed casings from grains

a soda bottle bubbling when it is opened

a bright copper statue turning green from weathering

removing salt from seawater

water decomposing to oxygen and hydrogen

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milkdudgirl145

Answer:

  • Removing seed casings: separating

  • Soda bottle bubbling when opened: mixing as before it was opened nothing was happening but as it came in contact with atmosphere it started to bubble.

  • Bright copper statue turning green from weathering: mixing as all vapors and gases in atmosphere combined with copper of that statue they started to change color of statue

  • Removing salt from seawater: obviously removing as one component  
  • Water decomposing: obviously separating as it's constituent elements are removed from compound and converted into individual elements

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