← AP Chem-- Basic Chemical Equation Formulas Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All salt an ionic compound composed of a cation from a base and an anion from an acid oxide most metals or non-metals + oxygen --> base metallic oxide (soluble) + water --> acid non-metallic oxide + water --> salt most active metals + nonmetals --> gas nonmetal + nonmetal (catalyst) --> metal + water some metal oxides + reducing agent --> individual elements and/or molten salts water, acids, bases, salts + electric curent --> metal oxide + CO2 metal carbonates + heat --> metal + oxygen some salts (metal oxides) + heat --> new salt + nonmetal nonmetal (active halogen) + salt (something less active than halogen) --> salt + H2 metal (above hydrogen in EMF) + acid (except CON, H2SO4, HNO3) --> salt + H2 metal + base --> base + H2 active metal + water --> salt + water acid + base --> salt + water soluble metallic oxide + acid --> salt + water nonmetallic oxide + base --> new acid + new salt acid + salt--> new base + new salt base + salt --> new salt (AD) + new salt (BC) salt (AB) + salt (CD) -->