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Sagot :
The correct option is 3.
In the presence of oxygen, iron will react with water to form rust. This is a chemical reaction and it is one of the chemical properties of iron.
Chemical properties refers to those properties of a substance, which can be used to identify it chemically, that is by reason of chemical reactions. Examples of chemical properties are reactivity with water, heat of combustion, electromotive force, pH, etc.
In the presence of oxygen, iron will react with water to form rust. This is a chemical reaction and it is one of the chemical properties of iron.
Chemical properties refers to those properties of a substance, which can be used to identify it chemically, that is by reason of chemical reactions. Examples of chemical properties are reactivity with water, heat of combustion, electromotive force, pH, etc.
Answer:
Iron combines with oxygen to form rust.
Explanation:
i did this on edge2020
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