Laughing Gas (instrumental) this certainly got the crowd roaring. When Rhoads left the band, this song was never again performed. This solo was regularly performed, in different incarnations, with Ozzy on tour. It usually came near the end of "Suicide Solution", although Randy had to cut back the solo to just 2 minutes. One such incarnation of the solo appears on the "Tribute" album. The solo on the live album was from a different show (Montreal) than the rest of the album (Cleveland), and was haphazardly spliced in over the original for unknown reasons. Laughing Gas (instrumental) "Laughing Gas" was a song performed
Chemical substance FeS. The resulting compound has all the properties of a chemical substance and is not a mixture. Iron(II) sulfide has its own distinct properties such as melting point and solubility, and the two elements cannot be separated using normal mechanical processes; a magnet will be unable to recover the iron, since there is no metallic iron present in the compound. While the term "chemical substance" is a precise technical term that is synonymous with "chemical" for chemists, the word "chemical" is used in general usage in the English speaking world to refer to both (pure) chemical substances and mixtures (often