Question

chemical changes examples and their reasons​

Answer 1

Answer:

A chemical transition is the result of a chemical reaction, whereas a physical change is when the structure of matter changes, but not the chemical identity. Burning, cooking, rusting and rotting are examples of chemical changes.

Explanation:

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Answer 2

Answer:

fe+o2=feso4

Mg+O2=MgO

Explanation:

in first reaction corrosion text place

magnesium burns in air to produce magnesium oxide