Method (b) preparing a salt by reacting an acid with a metal or with an insoluble base-oxide, hydroxide or carbonate (this page). Method (c) Preparing an insoluble salt by mixing solutions of two soluble compounds. Method (d) Making a salt by directly combining its constituent elements.arbonates are frequently used in this method of salt making, e.g. using copper carbonate to make copper salts. The equations are give with, and without sate symbols. and with sulphuric acid a blue solution of copper(II) sulphate is formed.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  elective(Noun) Something that is option or that may be elected, especially a course of tertiary study. 2  elective(Adjective) Of, or pertaining to voting or elections. 3  elective(Adjective) That involves a choice between options; optional or discretionary.
These courses are designated as SS or HU/SS electives in the Course Descriptions section. Social science elective credits may not be granted by equivalency examinations. Technical Elective. A technical elective is a course in any field of science or engineering, subject to department or program approval.