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need_help!
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Which of the following is a pure substance? Pure gold, pure milk, pure water, pure seawater, pure sand. And how do you know?
 one year ago
 one year ago
need_help! Group Title
Which of the following is a pure substance? Pure gold, pure milk, pure water, pure seawater, pure sand. And how do you know?
 one year ago
 one year ago

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Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Well, rule some out. Which ones do you know aren't? That is, if you do know any of them aren't.
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Hello?
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
Well sand is obviously not..right?
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
Sorry..
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
It's fine, and no it isn't. Anything else?
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
What do they mean by pure substance here?
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
I mean like how can I know?
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
What they mean by Pure substance, is something that can't be split into different things. An example is..dw:1350413254215:dw The tree, it has leafs, wood, and so on.
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
Oh wait! I read something about pure substance that it may be compound or element
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Mhmm.
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
http://chemistry.about.com/od/moleculescompounds/f/WhatIsAPureSubstance.htm
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
This is confusing >.<
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Well.. Let me think of how to put it.
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
They're all pure except one?
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Lets say, you have milk, alright? If you add cereal to it, it's no longer just milk. You're turning adding onto it. A pure substance is something that is only of one thing. Like..Say you have oxygen. Oxygen isn't a mixture of gasses, it's simply Oxygen. Nothing else but. That's a pure substance.
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
No, No. All of them aren't pure, besides one.
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
Gold isn't pure?
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
water isn't pure?
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
sand isn't pure?
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Well.
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
Okay lets take your example you can add hydrogen to oxygen and it's no longer just oxygen.. right?
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Water isn't pure, it has other things in it such as sand and chlorine. Minerals, all in all.
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
And, yes.
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
But, what is gold?
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
Ahhh! I get it! I think So pure means that it's only like one thing or element that can't be broken down more
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
Gold is an element.. so it's pure?
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Yes. ^^"
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Gold is only gold.
 one year ago

need_help! Group TitleBest ResponseYou've already chosen the best response.0
Yay! Thanksss LOOAADSSSSSSS :D
 one year ago

Burningitdown Group TitleBest ResponseYou've already chosen the best response.1
Course. ^^"
 one year ago
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