Saturday, January 4, 2014

Experiment

Plan An Investigation To Examine The Properties of Metals, Non-metals And Semi-metals Aim- To examine the properties of metals, non-metals and semi-metals. Hypothesis- Metals are dreamless conductors of electricity, and will also be malleable. Whereas semi-metals and non-metals are brittle and curtly conductors of electricity. Material- viii Labels 7 ampuls with caps, filled with the following: -iron filings -sulfur rolls -zinc -graphite -silicon -tin -carbon 1 tenderness dropper bottle of Hydrochloric acid One hammer Eight pennings of plot each measure approximately 3.5inches 1 nine volt battery 1 gently bulb 3 pieces of insulated copper wire One test render try forer Seven test tubes Safety- Wear safety goggles to hold dear eyeball from chemicals Wear estimabley enclosed leather garb to protect feet broken glass Always focus on your experiment to cancel accidents Method- 1.Fill and label the vials as follows: ampul 1-Iron filings ampul 2-Sulfur Vial 3- Zinc Vial 4-Graphite Vial 5-Silicon Vial 6- nominate Vial 7-Carbon 2.Open Vial 1 and shake a pea sized tract of the take in onto the white paper. feel the appearance of the sample.(e.g. colour and lustre) 3.
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seek the malleability of the sample by placing a second piece of paper over the roundabout of the sample and crush with the hammer. take aim the top piece of paper and observe the sample. 4.Test the conduction of the sample with the 9V battery by placing the ends of the connected to the 9V battery into the sample vial. Then place 2 more wires into the sample vial and con nect to the light bulb. 5. mastermind a t! est tube into the test tube rack. bombard sample 1 from the paper (step 2) into the test tube. Add 15 drops of hydrochloric acid into the test tube. sojourn at least 3 minutes before sight then recording the observations of the sample reacting with an acid. 6.Repeat steps 2-5 for the stay six vial samples.If you want to flap a full essay, order it on our website: BestEssayCheap.com

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