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@apoorvk @A.Avinash_Goutham
 one year ago

A.Avinash_GouthamBest ResponseYou've already chosen the best response.0
so wat's a pure subatance?
 one year ago

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pure substance have fixed composition
 one year ago

VincentLyon.FrBest ResponseYou've already chosen the best response.2
yes, it is not a mixture: it has its own formula.
 one year ago

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but wat abt 22 crt gold??
 one year ago

A.Avinash_GouthamBest ResponseYou've already chosen the best response.0
u kno it has a different form in water say a solution
 one year ago

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91.6% gold and remaning cu and ag
 one year ago

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then is it a pure substance
 one year ago

VincentLyon.FrBest ResponseYou've already chosen the best response.2
22 carat gold is not pure gold. So it is not a pure substance, it is a mixture.
 one year ago

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but then too it contain fixed composition!!!
 one year ago

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Mixtures are those which dont have fixed composition!!
 one year ago

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@VincentLyon.Fr Can u help??
 one year ago

VincentLyon.FrBest ResponseYou've already chosen the best response.2
No, because you can have 21.9 or 22.2 carat at your own will. Proportions in pure substances are dictated by the laws of nature, not by your own free will.
 one year ago

apoorvkBest ResponseYou've already chosen the best response.1
Glucose is a compound  it's definitely a pure substance. Ofcourse however, the molecules may be found in a pure state, in in a mixture or a solution  but that's a completely different story.
 one year ago

apoorvkBest ResponseYou've already chosen the best response.1
'22 carats of gold' is just a way of representing the concentration of the element gold in the mixture, i.e. the alloy.
 one year ago

VincentLyon.FrBest ResponseYou've already chosen the best response.2
No, milk is a mixture of lots of molecules: water, fats, proteins, sugars
 one year ago
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