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Because it is the same throughout, in other words the "mixture" is made up of only one component ( the chemical substance). The chemical and physical properties of a substance formed together by 2 or more different elements are generally vastly different from the properties of the atoms in their elemental state. For example chlorine is a poisonous gas with an acrid odor and green color and sodium is a very soft and shiny metal with low melting point react to form sodium chloride which is inert, colorless, brittle and non conductive solid. Basically the properties of each component is unique and differentiates different chemical substances.
Wiki User
∙ 11y ago
Wiki User
∙ 12y agoAny substance that is not a mixture is a pure substance. :)
Wiki User
∙ 10y agoEvery molecule is the same in an element and a compound, but not in a mixture. Elements and compounds have exact composition, mixtures do not.
ROHAIL AHMED AFTAB
it is because compound and elements have chemical reaction process or chemical means in it but mixtures do not
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Is sodium chloride pure substance or mixture?
Soduim is a pure substance. But it is a mixture because it was pshsically combined. Soduim is a pure substance. But it is a mixture because it was pshsically combined.
Is C2H2 a pure substance a homogeneous mixture or a heterogeneous mixture?
Neither. C2H2 is a compound (pure substance) so it is not a mixture at all. Hint: mixtures don't have chemical formulas.
Is CaCl2 a pure substance or mixture?
substance
Is sulfur dioxide a mixture?
No. Sulfur dioxide is a compound, which makes it a pure substance, not a mixture.
Is seawater a pure substance or a mixture?
Seawater is a mixture. It is a combination of salt and water that is a homogeneous mixture. An example of a pure substance is either pure salt or pure sugar.
Is gold alloy mag wheel a pure substance or mixture?
pure substance?
Is chromium a pure substance or mixture?
Pure substance.
Is deodorant a pure substance or mixture?
No, it is a mixture; rarely a drug is a pure substance.
Is a mixture of elements a pure substance?
No a mixture is by definition not a pure substance.
Is Hg a homogeneous mixture heterogeneous mixture or pure substance?
pure substance
Is beer a mixture or pure substance?
It is a mixture of substances
Is jello a mixture or a pure substance?
rice pudding a pure substance or a mixture and is it a homogenous or heterogenous
Is acetone a pure substance or mixture?
pure substance, propanone
Is an element a pure substance or a mixture?
pure substance
Is water mixture or pure substance?
Pure Substance
Is wool a mixture or a pure substance?
pure substance
Is CH3COOH a mixture or pure substance?
Pure substance
