There are oxides in 3 bottles without labels: one contains calcium oxide, the other contains valence copper2 oxide,
| December 30, 2020 | education
There are oxides in 3 bottles without labels: one contains calcium oxide, the other contains valence copper2 oxide, and the third contains 5valent phosphorus oxide. How can you tell them apart?
Add water alone will not dissolve This means that it is copper oxide.
Take litmus blue add to the remaining two test tubes if it turns red, then there was phosphorus oxide.
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