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A pure substance:
- cannot be separated into 2 or more substances by physical or mechanical means
- is homogeneous, ie, has uniform composition throughout the whole sample
- its properties are constant throughout the whole sample
- its properties do not depend on how it is prepared or purified
- has constant chemical composition
What else can I help you with?
Is acetone a pure substance or mixture?
pure substance, propanone
Pure substance that cant be broken down?
a pure substance is made up of only one type of atom. atoms can't be broken down (divided) definition of an atom: that which cannot be divided. there ya go! ur welcome :) -shamansh
What is a pure substance classified as?
A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.
Is glycerol a pure substance?
it s pure liquid.
What is a pure substance that contains only one kind of particle?
I thought it was pure substance. But i recently took a Science Test of these subject(i'm also in 8th grade) and it was the same question...EXACTLY! I put down Pure substance as well but appearantly the answer was "All of the Above" which included A.Pure Substance B.Compound C.Element ... so as long as you can prove it was only pure substance( This was for extra credit to get points back on the test for my teacher) You got the points. In my opinion a Pure Substance is the substance in which there is only one type of particle. I hoped this helped :)
Is a mixture of elements a pure substance?
No a mixture is by definition not a pure substance.
Can a pure substance be a homogenious mixture?
A pure substance by definition cannot be a mixture. Pure in chemistry means only one substance is present.
Is a pure substance a homogeneos mixture?
No. by definition a pure sustenance is not a mixture.
Is sap a substance?
I assume you mean PURE, and no, it isnt. the definition of a pure substance is where it cannot be separated into two parts. sap is made of lots of different pure elements.
Is sap a pur substance?
I assume you mean PURE, and no, it isnt. the definition of a pure substance is where it cannot be separated into two parts. sap is made of lots of different pure elements.
What do you think makes compounds pure and mixtures impure?
A compound is, by definition, a single, and hence pure substance (composed of molecules), and a mixture is, also by definition, two or more substances which are mixed together.
Is acetone a pure substance or mixture?
pure substance, propanone
Is Ca a homogeneous or heterogeneous mixture?
Ca is an element. It is a pure substance, which, by definition, is homogeneous matter, but is not a mixture.
Pure substance that cant be broken down?
a pure substance is made up of only one type of atom. atoms can't be broken down (divided) definition of an atom: that which cannot be divided. there ya go! ur welcome :) -shamansh
Is homogeneous mixture a pure substance?
No, a homogeneous mixture is not a pure substance. A homogeneous mixture is composed of two or more substances that are physically combined and can be separated through physical processes, while a pure substance is made up of only one type of particle and cannot be separated into other substances by physical means.
What is different about the ancient and modern definition of elements?
In ancient times the elements meant : water, fire, earth, and air. However the modern definition of elements is a pure substance that cannot be broken down into a simpler substance.
Is a tin a pure substance?
Pure substance
