It changes chemically.
it probaly reacts with something like an alkilai and reacts which shows it is a drug or something
It fizzes.
it fizzes answers.comBO
Copper oxider
It reacts
It Bubbles
How something reacts depends on a lot of different things. Physical reactions are much different than chemical reactions for example.
When the keyword reacts with water, it forms a strong base.
it blows up
it explodes
Hydrogen does not react with water
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