Multiple choice

The sodium salt used for manganese testing is

  1. sodium bis(trimethylsilyl)amide

  2. sodium bismuthate

  3. sodium bisulphate

  4. sodium bisulphite
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sodium bismuthate is a slightly hygroscopic chemical compound with the chemical formula of NaBiO3. It is an oxidizer. It is not soluble in cold water. It also decomposes when placed in acids. It is one of the few sodium compounds that do not dissolve in water. Sodium bismuthate is commercially used in manganese testing.

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