chem

posted by .

trighloroethane is a slvent used to remove grease from clothings. how, after use, is the solvent separated form the grease?
a, chromatography
b, crystallisation
c, distillation
d, filtration

c. TCE (thrichloroethane) is very volatile. It evaporates and leaves the grease behind. The TCE solvent vapor is collected and recondensed. That is called distillation.

thanks

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    What method of separation would you use for the following mixtures: acetone and water aluminum powder and ethyl alcohol. these were questions asked after a chapter of reading in my chem book. the separation techniques listed in the …
  2. Naphthalene

    Question: You are about to purify an impure sample of naphthalene by column chromatography. What solvent should you use to elute the sample?
  3. English

    Help! I can't find any information on the origin of the idiom/expression: Grease someone's palm. Please help me! Scroll down to the Online Etymology Dictionary at this site. It explains related uses of "grease" and gives a date for …
  4. also need noun help

    He smiled agreeably to himself as he thought of those biscuits, each cut open and sopped in bacon grease, and each enclosing a generous slice of fried bacon. (I have biscuits, bacon grease and bacon as nouns is this right and are there …
  5. chem

    when doing a paper chromatography lab, my class used a solvent with a neutral pH, which my teacher said would help separate the amino acids with simialar Rf values. can anyone please explain why we needed to use a solvent with a neutral …
  6. Chemistry I am so lost!!! HeLp PLEASE

    Water does not easily remove grease from dirty hands because grease is nonpolar and water is polar; therefore they are immiscible. The addition of soap, however, results in the removal of the grease. Examine the following structure …
  7. Chemistry

    Water does not easily remove grease from dirty hands because grease is nonpolar and water is polar; therefore they are immiscible. The addition of soap, however, results in the removal of the grease. Examine the following structure …
  8. Chemistry

    A mixture of iodine solid and sodium chloride ( Hint: iodine is not soluble in water) What method(s) can I use to separate the mixtures?
  9. Chemistry

    A mixture of iodine solid and sodium chloride ( Hint: iodine is not soluble in water) What method(s) can I use to separate the mixtures?
  10. chemistry

    Vacuum filtration is avoided when crystals are isolated from a very volatile solvent. why?

More Similar Questions