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.
A mixture is a substance made by  combining two or more different materia â¦ ls in such a way that no  chemical reaction occurs. A mixture can usually be separated back  into its original components, a compound can not.   Compounds    Compounds are pure substances.