Science

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!

asked by TTR+S<3
  1. My only chemistry class was in high school about 65 years ago.

    posted by Ms. Sue
  2. oh, they were all right anyway!:)

    posted by TTR+S<3
  3. 1) Mixtures have two or more substances...
    2) Heterogeneous
    3) Magnetic attraction
    4) Evaporate

    I had the same quiz, those were the answers

    posted by Paris
  4. sorry ur wrong

    posted by muhsina
  5. 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

    posted by Skylar
  6. yep she was right!

    posted by U.D.
  7. Paris was totally right!

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

    posted by IAmDC-FearMyLazy
  9. Thank youuuu :D

    posted by Grace
  10. Ya Paris was right I got 100% on my test thank you Paris!!!

    posted by Sky Serine
  11. ctfrcyccfcyjcgv

    posted by Anonymous
  12. do it yourself people

    posted by Anonymous
  13. Thanks Paris

    posted by Bri
  14. all these answers are correct thank you.

    posted by thx
  15. Thanks

    posted by N
  16. Thanks! I got 100%

    posted by N
  17. You are wrong on number 1

    posted by Anonymous
  18. D B A C

    posted by Wolfart
  19. Wolfart is right

    posted by fghjgfghjhgfd
  20. Mixtures can NOT be mixed with chemicals, so 1 is D,

    You are correct

    posted by Chris O
  21. Wolfart is Amazingly correct

    posted by hi
  22. 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.

    posted by Ayano Aishi
  23. yea I don't deserve any credit because I copied Paris.

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

    posted by SugaHasJiminsJams
  25. 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

    posted by Abby a.k.a ANGEL
  26. 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.

    posted by Wally West
  27. 1. D
    2. B
    3. A
    4. C

    posted by Kinsey
  28. 1. D
    2. B
    3.A
    4.C

    posted by ??Hep??
  29. D
    B
    A
    C
    Love you guys :*

    posted by Anonymous
  30. D
    B
    A
    C
    Thx wolfart 100%

    posted by AlexaBliss<3
  31. thanks paris

    posted by know it alls
  32. Wolfart and Paris are 100%

    posted by GOTH ANGEL SINNER
  33. D. B. A. C. 100. !!!!!!

    posted by Hal
  34. Yes D B A C on connexus

    posted by Jloch
  35. OMG ITS D B A C. hey that reminds me of a story...

    posted by Anonymous
  36. 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

    posted by Anonymous

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