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Thread: Which one is correct?

  1. #1 Which one is correct? 
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    Hi sorry..I am not sure whether it is a Biology question or Chemistry question..so Moderator can remove it if it isn't Chemistry..i have the following question which was asked in one of my exams..i just want to check my answer..please help<br><br>Which one of the following can flow?<br>Gelatin or Emulsion or Paste or Jelly<br><br>Thanks


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    Gelatin - Wikipedia, the free encyclopedia
    Gelatin solutions show viscoelastic flow and streaming birefringence.
    That's a gelatin solution, though, so maybe not the gelatin itself?

    Emulsion - Wikipedia, the free encyclopedia
    Examples of emulsions include vinaigrettes, milk, mayonnaise, and some cutting fluids for metal working
    Milk, vinaigrette, and cutting fluid will certainly flow.

    Paste - Wikipedia, the free encyclopedia
    Paste is a term for any very thick viscous fluid.
    A fluid flows.
    Paste (rheology), a substance that behaves as a solid and a liquid depending on applied load
    That kind of a paste could flow.
    Petroleum jelly - Wikipedia, the free encyclopedia
    Petroleum jelly is a mixture of hydrocarbons, having a melting point usually within a few degrees of human body temperature, which is approximately 37 C (99 F).[2] It is flammable only when heated to liquid, then the fumes will light
    If you still call it jelly after it melts, then it flows.

    It looks to me like more than one answer could be correct. I guess if I had to pick just one, it would be the emulsion.


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    Quote Originally Posted by Harold14370 View Post
    Gelatin - Wikipedia, the free encyclopedia
    Gelatin solutions show viscoelastic flow and streaming birefringence.
    That's a gelatin solution, though, so maybe not the gelatin itself?

    Emulsion - Wikipedia, the free encyclopedia
    Examples of emulsions include vinaigrettes, milk, mayonnaise, and some cutting fluids for metal working
    Milk, vinaigrette, and cutting fluid will certainly flow.

    Paste - Wikipedia, the free encyclopedia
    Paste is a term for any very thick viscous fluid.
    A fluid flows.
    Paste (rheology), a substance that behaves as a solid and a liquid depending on applied load
    That kind of a paste could flow.
    Petroleum jelly - Wikipedia, the free encyclopedia
    Petroleum jelly is a mixture of hydrocarbons, having a melting point usually within a few degrees of human body temperature, which is approximately 37 C (99 F).[2] It is flammable only when heated to liquid, then the fumes will light
    If you still call it jelly after it melts, then it flows.

    It looks to me like more than one answer could be correct. I guess if I had to pick just one, it would be the emulsion.
    based on the questions he/she has posted, whoever wrote these questions did an absolutely terrible job.
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