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Qurde authors
What are the properties of Iron nails before exposure to oxygen?
What happened to the materials when they are exposed to oxygen?
what change took place ?
Describe the changes that happen in iron nails when they are expose
in oxygen?
What do you call the progress of exposing the inm nalks placed in a
cloth after 48 hours that resulted to change in appearance of
iron naik
the there new products formed after each changes
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Answer:
-im sorry yan lang kasi alam ko eh:(