Uploaded April 2018 | Updated September 2026, 2 weeks ago
Ammonia diffuses in the Petri dish to react with indicator papers, 0.1M acid with indicator, Note the halo, 0.1M copper sulfate, iron(II) sulfate, iron(III) nitrate and zinc sulfate.
Ammonia diffuses in the Petri dish to react with indicator papers, 0.1M acid with indicator, Note the halo, 0.1M copper sulfate, iron(II) sulfate, iron(III) nitrate and zinc sulfate.










