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BLOG STARTED: 15/03/11
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 Saturday, March 19, 2011  @ 6:00 AM  Crystallization - Type of mixture: Soluble solid in a solvent.
- The soluble solid must not decompose upon heating.
Aim
To obtain a PURE solids from a solution. :)
Steps needed:
1)Dissolve the impure solid in the solvent.
2)Heat the solution to evaporate most of the solvent.
3)The hot solution is allowed to cool. The dissolved solid will appears as pure crystals.
4)The cold solution is poured off to obtain the crystals. The crystals may be dried by pressing them between sheets of filter paper.
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We are from Yuan Ching Sec Sch class 2E1. We are Yu Juan, Venisa, Serine. |
Saturday, March 19, 2011 @ 6:00 AM Crystallization - Type of mixture: Soluble solid in a solvent.
- The soluble solid must not decompose upon heating.
Aim
To obtain a PURE solids from a solution. :)
Steps needed:
1)Dissolve the impure solid in the solvent.
2)Heat the solution to evaporate most of the solvent.
3)The hot solution is allowed to cool. The dissolved solid will appears as pure crystals.
4)The cold solution is poured off to obtain the crystals. The crystals may be dried by pressing them between sheets of filter paper.
©★Yu Juan★ ★Venisa★ ★Serine★
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