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 2 years ago
Which of the following is a pure substance? Pure gold, pure milk, pure water, pure seawater, pure sand. And how do you know?
 2 years ago
Which of the following is a pure substance? Pure gold, pure milk, pure water, pure seawater, pure sand. And how do you know?

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

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.0Well sand is obviously not..right?

Burningitdown
 2 years ago
Best ResponseYou've already chosen the best response.1It's fine, and no it isn't. Anything else?

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.0What do they mean by pure substance here?

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.0I mean like how can I know?

Burningitdown
 2 years ago
Best ResponseYou've already chosen the best response.1What 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.

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

Burningitdown
 2 years ago
Best ResponseYou've already chosen the best response.1http://chemistry.about.com/od/moleculescompounds/f/WhatIsAPureSubstance.htm

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.0This is confusing >.<

Burningitdown
 2 years ago
Best ResponseYou've already chosen the best response.1Well.. Let me think of how to put it.

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.0They're all pure except one?

Burningitdown
 2 years ago
Best ResponseYou've already chosen the best response.1Lets 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.

Burningitdown
 2 years ago
Best ResponseYou've already chosen the best response.1No, No. All of them aren't pure, besides one.

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

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

Burningitdown
 2 years ago
Best ResponseYou've already chosen the best response.1But, what is gold?

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

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.0Gold is an element.. so it's pure?

Burningitdown
 2 years ago
Best ResponseYou've already chosen the best response.1Gold is only gold.

need_help!
 2 years ago
Best ResponseYou've already chosen the best response.0Yay! Thanksss LOOAADSSSSSSS :D
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