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Keith_Richards [23]
3 years ago
9

In order to observe a property of a substance, the substance must interact with another substance, such as when gasoline burns o

r when sodium metal reacts with water.
Chemistry
2 answers:
choli [55]3 years ago
8 0

answer:

chemial

Explanation:

chemical reactions include the reactivity of an object. physical properties do not include reactivity and electrical and thermal properties are not reactivity either

Tems11 [23]3 years ago
5 0
<span>Observing a property of a substance can be done through experiments. Most of these experiments are done by a chemical reaction. A chemical reaction involves two substances interacting with each other. However, not all property of a substance can only be observed through a reaction. Like melting experiment, freezing point determination and boiling point determination, only heat is added or is removed to the substance in order to see that certain property.</span>
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Answer:

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