Guide Questionar What are the properties of iron nails before exposure to oxygen 2. What happened to the materials when they are exposed to anyen 3. What change took place 4. Describe the changes that happen in iron nails when they are exposed What do you call the process of exposing the iron nails placed in wet cloth after 48 hours that resulted to change in appearance of iron 6. Are there new products formed after each changes? in Oxygen. nails? PIVOT 4A CALA
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