Thank you for the opportunity to help you with your question!
It is true that all
matter can actually be generally be divided in two main groups that are well
known as the Pure" and also "Impure". A pure substance has consistent
composition as well as properties in all its own parts because it comprise of
particles of just one kind. A good instance is sugar as well as salt. On the
other hand, A substance is actually said to be impure having particles of some other
substances that is mixed in it. In addition, the constituents of the impure
substance keep hold of their own individual properties like for instance the
properties of iron as well and do not actually change when they are really mixed
Please let me know if you need any clarification. I'm always happy to answer your questions.