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Sludge is a container full of metals, powders, liquids, and plastics that we have to find out what kind they are.

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Put a metal in a graduated cylinder and write down how much it went up.

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Put metal on scale and write it down.

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Put 5 ml of the liquid in the test tube

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Solid

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Liquid

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When identifying a liquid  you would do odder test, density, boiling point, flammability, then sugar. Sugar last so you don't make your pure liquid contaminated.

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1st sign of melting in between about 23 and 100 degrees Celsius. this is the 1st test. If doesn't melt between that keep going up to 300 degrees Celsius. observe the melting, it might decompose and will turn jet black. If it doesn't then it might be above 300 degrees Celsius. This is the 2nd test.

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If it reacts then it will bubble or smoke. If it changes color that doesn't count.

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Make sure you have a stopper on your tube so you don't evaporate your liquid.  

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Make sure you have a stopper on your tube so you don't evaporate your liquid.  

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Grab a pinch of sugar and put it in your liquid. See if the sugar disappears or if it stays there.

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Do the solubility test with water and alcohol.

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Do micro melting point with the capillary tube and see when it first melts.

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If micro melting point is over 100 degrees Celsius put small amount in evaporating dish.

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If your trying to find dissolved powder in liquid put a small amount of the liquid mixture in. Stop when liquid is gone and powder is left over.  If trying to find micro melting point but its over 100 degrees Celsius put it in.

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If it stays then it is insoluble and if it disappears then its is soluble.

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Volume of a liquid is measured by looking at the graduated cylinder and seeing how much liquid is in it. For solid put in irregular object and see how much the water goes up. If regular then you can use a ruler to get length, width and height.

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For solid object put on scale and record the weight in grams. If mass of liquid then measure empty graduated cylinder. then put liquid in graduated cylinder and put on scale. subtract the graduated cylinder with liquid from empty graduated cylinder and record amount in grams.

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https://flipgrid.com/s/e17367d762f6

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https://flipgrid.com/s/73824e941ee4