salt water is salt dissolved in water - in such a way that the salt no-longer exists as solid particles within the water. Suspensions - heterogeneous fluid mixtures containing solid particles large enough for sedimentation, which means that the particles (compared with the solute part of a ...
Most metals react with dilute acids to produce a salt and hydrogen gas. Extraction of metals Most metals are only found as compounds because the metal has reacted with other elements in the past. Because of this, the metal has to be extracted from the ore (rock) where the metal compound ...