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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
Wiki User
∙ 14y ago
Wiki User
∙ 9y agoA pure substance is defined as a substance that only has one type of material in it. There should be no contaminates in the substance for it to be pure.
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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 homogeneous mixture a pure substance?
AnswerNo It is not a pure substance because it contains more than one element.
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.
Can you convert a mixture to a pure substance?
Only if it is a compound, as a compound is a pure substance that can be broken down into simpler pure substances by chemicalmeans. The decomposition of a substance is a chemical process that breaks down a compound into simpler substances or its constituent elements. So, by definition, the answer is yes. However, if the pure substance was an element, the answer would be no. An element is a pure substance that cannot be broken down into any simpler substances by chemical means. It is a pure substance in which every atom present has the same atomic number.
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 a lemon a pure substance?
it is a pure substance.... not
