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Type: Multiple-Choice
Category: Reactions
Level: Grade 8
Author: AGaines71
Created: a month ago

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Grade 8 Reactions

When oxygen in the air reacts with iron, iron oxide forms. Which of the following statements is correct?
  1. This is a physical change.
  2. This is a chemical change.
  3. Iron and iron oxide have the same properties.
  4. Oxygen and iron have similar properties.
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