Answer:
as an inflammable substance
Explanation:
Because when it reacts with electricity and water start to produce bubbles, and these bubbles burn, that mean is a substance flammable.
Now a days it is needed to have more test to identify a substance and to classify not just by the physical properties, also by the chemical properties and even more, by the chemical behavior in front of other substances.
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Mixing of gases in liquids is an exothermic process,i.e., energy is released in this process. So, according to Le-Chatelier's principle, dissolution of gases in liquids are preferred in low temperature. When the temp. is increased, the rate of dissolution will decrease and may also proceed in the opposite direction.
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the change of the nucleus of an atom