one element displaces another element in a compound.
metallic ion, less active metal
an active metal will displace the _____ in a compound of a ________ _______ _______
metallic hydroxide, Hydrogen
some active metals such as sodium and calcium will react with water to give a ______ and ______ gas.
hydrogen, salt, hydrogen
active metals such as sinz, iron, and aluminum will displace the ____ in acids to give a ______ and _______ gas.
an actice _______ in displace a less active _____
the positive and negative ions of two compounds are interchanged in this reaction.
compound + Compound ---> compound +compound
a reaction between an acid and a base yields a ____ and a ____
reaction of a salt with an acid form a ____ of the acid and a second salt that is _____
reactions of some soluble salts produce an ______ salt, and a _______ salt