Science

posted by TTR+S<3

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!

  1. Ms. Sue

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

  2. TTR+S<3

    oh, they were all right anyway!:)

  3. Paris

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

    I had the same quiz, those were the answers

  4. muhsina

    sorry ur wrong

  5. Skylar

    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

  6. U.D.

    yep she was right!

  7. Talia

    Paris was totally right!

  8. IAmDC-FearMyLazy

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

  9. Grace

    Thank youuuu :D

  10. Sky Serine

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

  11. Anonymous

    ctfrcyccfcyjcgv

  12. Anonymous

    do it yourself people

  13. Bri

    Thanks Paris

  14. thx

    all these answers are correct thank you.

  15. N

    Thanks

  16. N

    Thanks! I got 100%

  17. Anonymous

    You are wrong on number 1

  18. Wolfart

    D B A C

  19. fghjgfghjhgfd

    Wolfart is right

  20. Chris O

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

    You are correct

  21. hi

    Wolfart is Amazingly correct

  22. Ayano Aishi

    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.

  23. Wolfart

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

  24. SugaHasJiminsJams

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

  25. Abby a.k.a ANGEL

    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

  26. Wally West

    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.

  27. Kinsey

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

  28. ??Hep??

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

  29. Anonymous

    D
    B
    A
    C
    Love you guys :*

  30. AlexaBliss<3

    D
    B
    A
    C
    Thx wolfart 100%

  31. know it alls

    thanks paris

  32. GOTH ANGEL SINNER

    Wolfart and Paris are 100%

  33. Hal

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

  34. Jloch

    Yes D B A C on connexus

  35. Anonymous

    OMG ITS D B A C. hey that reminds me of a story...

  36. Anonymous

    lALA ALA LA LA LA LA LALALOOPSIE LA LA LA LA LA LA LALALOOPSIE LA LA LA LA LA LA LA LOOPSIE LA LA LA LA LA LA LOOPSIE. which reminds me of a mother story mmmmmmmmmmmmmmmmm m mmmMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM. BLEH

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