Robitussin Cough and Cold is an over the counter cough suppressant, expectorant and nasal decongestant. This multi-symptom medication helps relieve cough and cold symptoms. Dextromethorphan HBr 10mg (cough suppressant) Guafenisen 100mg (expectorant)
Mixture; Metal; Element; Crystal. In its scientific usage, the term metal means a metallic element. An alloy is a mixture or solid solution composed of a metal and another element. But in everyday language, we often use the word metal to describe what an alloy is. That is because a mixture of metallic elements is called an alloy. Iron is a metal element. Steel is a mixture of iron with other elements such as carbon, nickel, chromium, etc. and so is an alloy. An alloy is a mixture of either pure or relatively pure chemical elements, forming an impure substance retaining the characteristics of a metal. Alloy constituents are usually measured by mass.
1 Alloys-mixtures in which the main elememt (or elements) are metal(s). 2  A more technical definition of an alloy is a partial or complete solid solution of one or more elements in a metallic matrix. 3  Common examples of alloys include bronze, brass and steels. Solutions-a special type of homogeneous mixtures in which one substance (called the solute) is dissolved in another substance (called the solvent), e.g. salt water is salt dissolved in water-in such a way that the salt no-longer exists as solid particles within the water.