Marble Mixture Or Pure Substance

A pure substance can be either an element or a compound but the composition of a pure substance doesn t vary.

Marble mixture or pure substance.

Mixture is a combination of two or more pure substances where each substance keeps its own identity upon mixing. C marble if extremely pure is calcium carbonate which is a pure substance compound. Classify each of the following as a pure substance or a mixture. If it s a mixture state whether it is heterogeneous or homogeneous.

Marble is a type of limestone so is a. However unlike granite marble is typically more than 90 calcium carbonate so it might count as a pure substance. Just like granite marble is a mixture. This makes it a heterogeneous mixture.

As a mineral it usually contains contaminants which add structure grain and color. A pure substance has a definite and constant composition like salt or sugar. A concrete b tomato juice c marble d seawater e iron. However unlike granite marble is typically more than 90 calcium carbonate so it might count as a pure substance.

A b concrete and tomato juice are heterogeneous mixtures. Marble is a type of limestone so is a. Mixtures are present almost everywhere on earth. Look at rocks the ocean rivers or even the atmosphere.