Write a story in topic "Is matter around us Pure" with title 'Matter Matter' (NCERT class 9th Science Chapter 2)
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Answer:
"matter matter"
A substance is said to be pure if it is made up of only one kind of molecules or particles. Pure substances normally cannot be separated by simple physical methods and are largely classified as elements and compounds. An element consists of only one type of particles which can be atoms or molecules
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Most of the things that is present around us is impure substance
Matter matter
I can be defined as anything that occupy space , has mass and can be perceived by our senses. but mixture is the most common thing is found in the environment.
As a result of this the purity of elements and compounds are decreasing. Elements are found they are found in rocks or other substances where they are present as mixture. In when sodium chloride which is the commonest salt is present as a mixture which sea water. This is due to the characteristics of most of the compound to dissolve in water or other solvent. Hence matter around us is not very often pure
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