Science

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1. Which of the following is true about mixtures? (1 point)
Mixtures consist of two or more substances chemically combined.
Mixtures cannot be separated by physical means.
Mixtures consist of only one kind of atom.
***Mixtures have two or more substances mixed together, but are not chemically combined.***

2. The substances in a(n) ________________ mixture are usually easily seen and separated. (1 point)
homogeneous
***heterogeneous***
uniform
uncontaminated

3. A mixture of iron and sulfur can be separated by __________________.
(1 point)
***magnetic attraction***
distillation
evaporation
filtration

4. Michelle wants to separate salt from water. She tried pouring the saltwater through a piece of filter paper, but the salt did not separate from the water. What change should she make to her plan to separate the mixture successfully? (1 point)
use two pieces of filter paper instead of one
freeze the saltwater, and then let it melt again
***allow the water to evaporate***
stir the saltwater with a magnet

help pls!

  • I don't know. -

    My only chemistry class was in high school about 65 years ago.

  • Science -

    oh, they were all right anyway!:)

  • Science -

    1) Mixtures have two or more substances...
    2) Heterogeneous
    3) Magnetic attraction
    4) Evaporate

    I had the same quiz, those were the answers

  • Science -

    sorry ur wrong

  • Science -

    no she's not, Paris is 100% right. I know this because I just took the quick check and these are all the answers :D

  • Science -

    yep she was right!

  • Science -

    Paris was totally right!

  • Science -

    Yeah Paris is right for connections students Kahn Academy students you're answers may be different, just a little heads up.

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    Thank youuuu :D

  • Science -

    Ya Paris was right I got 100% on my test thank you Paris!!!

  • Science -

    ctfrcyccfcyjcgv

  • Science -

    do it yourself people

  • Science -

    Thanks Paris

  • Science -

    all these answers are correct thank you.

  • Science -

    Thanks

  • Science -

    Thanks! I got 100%

  • Science -

    You are wrong on number 1

  • Science -

    D B A C

  • Science -

    Wolfart is right

  • Science -

    Mixtures can NOT be mixed with chemicals, so 1 is D,

    You are correct

  • Science -

    Wolfart is Amazingly correct

  • Science -

    To everyone who is thanking @Wolfart ...Don't he put in the answers @Paris gave and said they were his...Because @Paris said the same thing WAY before @Wolfart did...don't take credit, @Wolfart.

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    yea I don't deserve any credit because I copied Paris.

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    Paris is right but only for connections!!!! If you have another school dont use Paris's answeres.

  • Science -

    PARIS IS RIGHT I GOT a 3/4 tho because wolffart sad that it was d but it was b so paris and wolffart were wrong

  • Science -

    1.)D
    2.)B
    3.)A
    4.)C
    Are the correct answers for connections students as of March of 2017 but IDK for the future.

  • Science -

    1. D
    2. B
    3. A
    4. C

  • Science -

    1. D
    2. B
    3.A
    4.C

  • Science -

    D
    B
    A
    C
    Love you guys :*

  • Science -

    D
    B
    A
    C
    Thx wolfart 100%

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    thanks paris

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    Wolfart and Paris are 100%

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    D. B. A. C. 100. !!!!!!

  • Science -

    Yes D B A C on connexus

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