I am Substance, I am Mixture
By Wilfredo D. Bartolo, Jr. Matter has two broad classes
Mixtures and substances
Each one with differences
Let us start with their appearances. Homogeneous or heterogeneous
Telling a substance from a mixture can be used
When substances are all homogeneous
Mixtures can be homo or heterogeneous. Next way to distinguish is through separating technique
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Mixtures can be separated easy and quick
Through evaporation, distillation and filtration
But not substances due to chemical combination. Substances and mixtures behave differently, During boiling and melting most especially
Boiling point of substance is fixed while mixture is not
Substance melts completely but mixture does not
I am substance, I am mixture
Two worlds apart
Just always remember the differences they’ve got
To distinguish a substance or mixture from what is and what is not. How are you feeling so far? Did you find the poem interesting and effective
learning resource? If your answer is a big yes, let us find out!
To find out if the poem really helped you to discover and understand some of
the important concepts of the lesson; you will be asked to answer the following
questions below. Guide Questions:
1. What is a pure substance?
2. What are the properties of pure substances?
3. Tabulate your answers about pure substances.
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1.Pure substances have a uniform chemical composition. Examples include water (liquid), diamond (solid), and oxygen (gas). In chemistry, a pure substance is a material with a constant composition. In other words, it is homogeneous no matter when you sample it
2.Pure substances are mostly homogeneous in nature containing only one type of atoms or molecules.
3.pure substances are only composed of one kid of atom.
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