Explanation:
A..........is the correct answer
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Methylene blue indicates the presence of oxidizing agents because it is oxidized itself by these compounds. When electrons are stripped from methylene blue, the resulting molecule imparts a blue color to the solution--giving a clear sign of a chemical change.
Answer:
odorless, crystalline, white solid with a sour taste.
Explanation:
The answer is 2 atm. I guessed on the problem and got it right. I don’t know the work though.