Chemical substance made in a laboratory. Other chemical substances commonly encountered in pure form are diamond (carbon), gold, table salt (sodium chloride) and refined sugar (sucrose). However, in practice, no substance is entirely pure, and chemical purity is specified according to the intended use of the chemical. Chemical substances exist as solids, liquids, gases, or plasma, and may change between these phases of matter with changes in temperature or pressure. Chemical substances may be combined or converted to others by means of chemical reactions. Forms of energy, such as light and heat, are not matter, and are thus not "substances" in this
What Time Is Love? TVT label, including a live version taken from "The "What Time is Love?" Story". The KLF's "Pure Trance" series was originally envisaged as comprising five "Original" 12" singles and five "Remix" 12"s. The "Pure Trance Remix" single of "What Time Is Love?" was released on 24 July 1989. KLF 004T was re-released in the UK on 15 July 1991, during the peak of The KLF's chart success, along with both "Pure Trance" mixes of "3 a.m. Eternal". Key "What Time Is Love? (Live from Trancentral)" was released on 30 July 1990, and the single of remixes "(Remodelled & Remixed)" followed