a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)

a white insoluble radiopaque powder used as a pigment

a copper salt made by the action of sulfuric acid on copper oxide

a salt of magnesium

a caustic detergent useful for removing grease; although commonly included in personal care items (shampoos and toothpastes etc.) it can irritate skin and should not be swallowed

a solid white bitter salt used in manufacturing glass and paper and dyes and pharmaceuticals