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Sludge is a bunch of different substances/solids all mixed together.

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Sludge is a bunch of different substances/solids all mixed together.

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1. Don't forget boiling chips.
2. Use ~5-10 mL of liquid.
3. Record every 30 sec, until it bubbles (star it) - Plateau 3 mins.
4. Never heat to dryness.
5. Stop heating above 105°C  Max 110°C.

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1. Measure volume of liquid.
2. Find mass of graduated cylinder (grams)
3. Find mass of graduated cylinder and water (grams)
4. subtract mass of graduated cylinder and liquid and mass of g.c.
5. Divide Mass by Volume to find density.

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Dip splint into liquid and pass through the flame and see if it catches on fire.

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Dip the tip of the scoopula into sugar to get a small and add it to your liquid and mix to see if it dissolves.

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1. Fill a test tube with 10 mL of water
2. Add a small amount of one of the substances to the test tube.
3. Put the stopper on the test tube and shake for one min.
4. Determine if the substance is soluble or insoluble.

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Evaporating Dish- You put the contaminated water into the evaporation dish then vaporize the water and the solid remains.

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Be sure to perform your acid test on the watch glass at the front of the room. One or two drops, and look for bubbles. Wash off the watch glass after you are done.

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1. Find volume of square or rectangular object (Length * Width * Height) , but if object is an odd shaped solid you use water displacement.
2. Find mass using balance.
3. Divide Mass by Volume to find density of a metal.

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Put magnet near and see if the metal is attracted towards to magnet.

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Be sure to perform your acid test on the watch glass at the front of the room. One or two drops, and look for bubbles. Wash off the watch glass after you are done.

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What is the purpose?
When are you done?
thinglink- helpful hints
change condensing tube when temperature plateau (has to be atleast 10°C between plateau to be different liquids)