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Is glucose a pure substance?
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@apoorvk @A.Avinash_Goutham
A.Avinash_Goutham
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so wat's a pure subatance?
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pure substance have fixed composition
Vincent-Lyon.Fr
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yes, it is not a mixture: it has its own formula.
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c6h12o6
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it is fixed
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but wat abt 22 crt gold??
A.Avinash_Goutham
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u kno it has a different form in water say a solution
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91.6% gold and remaning cu and ag
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then is it a pure substance
Vincent-Lyon.Fr
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22 carat gold is not pure gold. So it is not a pure substance, it is a mixture.
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but then too it contain fixed composition!!!
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Mixtures are those which dont have fixed composition!!
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@Vincent-Lyon.Fr Can u help??
Vincent-Lyon.Fr
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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.
apoorvk
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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.
apoorvk
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'22 carats of gold' is just a way of representing the concentration of the element gold in the mixture, i.e. the alloy.
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Then Milk>>>>
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is it a pure ..
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i think it is....))
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@apoorvk
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@Vincent-Lyon.Fr
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No, milk is a mixture of lots of molecules:
water, fats, proteins, sugars
apoorvk
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exactly^
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thxxx