To verify the presence of water in transparent liquids, we pour a few drops of the liquid being studied onto anhydrous copper sulfate powder.
Complete by indicating the results of the test.
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🇫🇷 French version
1.
With salt water,
the anhydrous copper sulfate:
remains white.
turns blue.
Therefore, salt water:
contains water.
does not contain water.
2.
With petroleum,
the anhydrous copper sulfate:
remains white.
turns blue.
Therefore, petroleum:
contains water.
does not contain water.
3.
With cyclohexane,
the anhydrous copper sulfate:
remains white.
turns blue.
Therefore, cyclohexane:
contains water.
does not contain water.
4.
With lemonade,
the anhydrous copper sulfate:
remains white.
turns blue.
Therefore, lemonade:
contains water.
does not contain water.
5.
With scarlet water,
the anhydrous copper sulfate:
remains white.
turns blue.
Therefore, scarlet water:
contains water.
does not contain water.
6.
With oil,
the anhydrous copper sulfate:
remains white.
turns blue.
Therefore, oil:
contains water.
does not contain water.
📊 RESULT:
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