• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Sludge Test Lab Report.

Extracts from this document...


Sludge Test Lab Report Eric Walk Michael Cruz Science 8 Mr. C. Johnson We hope to accurately separate a test tube of "sludge", by firstly, separating the different substances and by secondly, testing the individual substances for their characteristic properties. We used the following apparatuses to fulfill our above hypothesis: Micro-Burner, Ring Stand, Spoonula, Forceps, Chemical Spoon, Tongs, Sparky, Burette Clamp, Test Tube Holder, Screen W/Ceramic Circle, Evaporating Dish, 600mL Beaker, Lg. Test Tube, Sm. Test Tube, Lg. Stopper, Sm. Stopper, Lg. Stopper W/Hole(s), Sm. Stopper W/Hole(s), Tape, Filter Paper, Funnel, Paper Towel, Condensation Apparatus, Distillation Apparatus, Pen, Sieve, Triple Beam Balance, Internet, Calculator. Examine sludge in its original container. Draw detailed illustration of the shape, size and color of the layers. Mass a single piece of filter paper. Set up filtration apparatus. Separate solids from liquids in the sludge by means of filtration. ...read more.


Then filter the solution. Record all observations. Mass an evaporation dish and put the solution in to the dish and set up the apparatus. Evaporate the water away. Mass the evaporating dish with the solid in it and subtract the mass of the dish. Record all observations. Put the solid left in the dish into a test tube with just enough water to dissolve it all. Boil away half of the water and quickly stopper and let cool slowly. After the solid recrystallizes examine it to help identify the solid. Record all observations. OR IF there is a small piece of metal found in the sieving put it into the middle of the flame to identify it by the color the flame turns.). Mass another set of boiling chips and put them into a test tube with the liquid. Set up distillation apparatus and fractionally distill the liquid. ...read more.


We began to sieve and noticed a small piece of metal. We burned the piece of metal and it burned green. We then fractionally distilled the liquid and were left with disgusting green goo. We then noticed that our white solid had sand and yellow stuff in it. We added water and filtered out the other solids, so we re crystallized the white solid and found that the crystals looked like salt. This is our final data chart: Substance Name Chemical Symbol Mass Sulfur S 3.5 Salt NaCl 5.8 Sand SiO2 .71 Copper Cu 3.916 Silica Si 7.967 Moth Flakes C10H8 5.951 Propanol C3O7OH 6.769 TOTAL MASS: 34.613 In completing our sludge test we made one fatal error that I recognize, we took sloppy and hard to reinterperet notes. Thus, we conclude that we have separated the "sludge" to the best of our accuracy; by using many of the techniques in our chemistry book; i.e. fractional distillation and fractional crystallization. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our GCSE Classifying Materials section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related GCSE Classifying Materials essays

  1. Iron Oxalate Lab

    Dilutions Abs [Fe+2] 0.1 0.795 0.000111251 0.00111251 0.2 na na 0.3 0.303 4.24E-05 1.41E-04 0.5 na na 0.7 0.319 4.46397E-05 6.3771E-05 average= 0.000439206 intial[Fe +2] 0.01098015 M %Fe 11% Empirical Formula Fe+ 11 g 11/55.85 .1525 moles 1 C2O4-2 55g 55/82.02 .6248 moles 3 Percent Yield = 1.848/ 1.3 =

  2. Ions - a qualitative analysis on our chemicals by flame testing.

    to the gas tap they pipe wouldn't hold on the gas tap. This problem could not be fixed so I decided the only way around was to switch the Bunsen burner. Once I had managed to overcome the first error as I proceeded with the experiment and encountered another error

  1. Identifying unknown substances. The test that we did was a flame test, negative ion ...

    B C Obesavation It stayed orange It stayed orange The sample turned Orange to green Flame test: A B Obesavation It turned light purple It turned orange Why I did not test for sample C? I did not test for sample C because we had found out the sample was

  2. Our experiment consisted of two samples of water containing unknown substances, and our objective ...

    create a slight imbalance which could cause the whole thing to topple over when it's accidently nudged by someone. Remember to fasten the bosshead and clamp quite tightly because if it unfastens it will just unnecessarily waste time and resources.

  1. should salt be banned?

    The few salt eaters I've counseled did not heal their disease conditions until they followed my recommendation of giving up salt--even though their diets were otherwise nearly perfect. Hypertension (high blood pressure), edema, cardiovascular disease, stroke, atherosclerosis, asthma, arthritis, rheumatism, Alzheimer's disease, lupus, premenstrual syndrome, gout, cancer and a host of other disease conditions are linked to salt.

  2. Accuracy and Precision Lab Report

    V = 19.2mL - 12.5mL = 6.7mL M = 120g - 62.2g = 58g D = 58g / 6.7mL = 8.7 g/mL 4. V = 18mL - 12.5mL = 6mL M = 119.2g - 61.9g = 57.3g D = 57.3g / 6mL = 10 g/mL 5.


    Timer or stopwatch Method: 1. Set up your apparatus as shown in diagram 1. 2. Set up your table in your recording sheet similar to the one shown below: Time (Min) Initial Mass (g) Final Mass (g) Difference (g) Percentage Increase (%) 3. First begin by measuring 50 grams of spaghetti by using an electronic weight scale.

  2. Potassium Iodine Lab Report

    Stir for three minutes. 11. Filter the liquid in beaker A into beaker B. Leave any undissolved potassium sulfate in beaker A.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work