This chart shows the colors of the typical 1970s mood ring and the meanings associated with the mood ring colors: 1  Amber: Nervous, unhappy, cool. 2  Green: Average, calm. 3  Blue: Emotions are charged, active, relaxed.  Violet: Passionate, excited, very 1  happy. Black: Tense, nervous (or broken crystal)  Gray: Strained, anxious.
Sodium bisulfite (sodium hydrogen sulfite) is a chemical compound with the chemical formula NaHSO 3. Sodium bisulfite is a food additive with E number E222. This salt of bisulfite can be prepared by bubbling sulfur dioxide in a solution of sodium carbonate in water.odium bisulfite is a food additive with E number E222. This salt of bisulfite can be prepared by bubbling sulfur dioxide in a solution of sodium carbonate in water.
Description and Use. Sodium Azide is a colorless to white, odorless, crystalline. solid. It is highly soluble in water which may result in the vapor. of Hydrazoic Acid being present where Sodium Azide is. handled. It is used in making chemicals, as a preservative in. diagnostic medicines and blood tests, as a herbicide, fungicide.