![a Explain with the help of a balanced equation the brown ring test for nitric acid.b Why is freshly prepared ferrous sulphate solution used for testing the nitrate radical in the brown a Explain with the help of a balanced equation the brown ring test for nitric acid.b Why is freshly prepared ferrous sulphate solution used for testing the nitrate radical in the brown](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/66115/content_1.jpg)
a Explain with the help of a balanced equation the brown ring test for nitric acid.b Why is freshly prepared ferrous sulphate solution used for testing the nitrate radical in the brown
![6. The ring test is a simple, relatively rapid test of immunological... | Download Scientific Diagram 6. The ring test is a simple, relatively rapid test of immunological... | Download Scientific Diagram](https://www.researchgate.net/publication/265240514/figure/fig6/AS:652595286798337@1532602249043/The-ring-test-is-a-simple-relatively-rapid-test-of-immunological-reactivity-which-is.png)
6. The ring test is a simple, relatively rapid test of immunological... | Download Scientific Diagram
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