There are 2 test tubes in which: hydrochloric acid and sodium chloride. How to prove where what?
| April 30, 2021 | education
It is quite easy to determine the contents of the tubes using the indicator. If you take a methyl orange indicator and add it to both tubes, then in the one with hydrochloric acid, the liquid turns red. This indicates the presence of hydrogen ions in the solution. They give the indicator a red color.
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