What are substances simply explained?

What are substances simply explained?

Substances in the chemical sense Chemical substances are also referred to colloquially with the word substance, which in chemical usage is limited to substances in a solid form, so-called solids. Substances in chemistry are roughly divided into pure substances (elements or compounds) and mixtures.

What are physicochemical properties?

Physical properties, on the other hand, describe states or changes in state such as color and density. Here, the changed substance has the same properties under the same external conditions.

Which material properties can be recognized with the senses?

His eyes to see, his nose to smell, his tongue to taste, his ears to hear and his hands to feel. With these five senses you can already perceive certain properties such as colour, shape, smell and taste of a substance.

Which material properties can be determined with simple tools?

Which material properties can be determined with simple tools? How do you test the smell of a substance? What is identification in chemistry ? The clear determination of a substance….Electrical conductivity.Solubility.Melting point, boiling point.Density.Magnetism.Combustibility.Hardness.

What is the most important sense organ?

The eye is one of the most important human sense organs. It allows him visual perception, to recognize dangers and to find his way around in daily life.