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Using Simple cells to find an order of reactivity in metals
Member rating: No Rating | Words: | Submitted: Sun Dec 15 2002
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Using Simple cells to find an order of reactivity in metals In electrochemical cells a chemical reaction occurs in the "cell" causing an electrical current to be generated. The electrochemical cell is made by dipping two metals into a solution which allows electricity to pass through it. In this experiment a solution containing ammonium chloride is used. The Aim The aim of this science assessed practice is to use my data to confirm the position of the metals in the reactivity series. Apparatus Voltmeter 2 leads with crocodile clips Beaker (approximately 100cm3) Emery paper Ammonium chloride solution Strips of the following metals: Zinc Copper Magnesium Lead Tin Aluminium Nickel Procedure 1. Clean the metals with emery paper. 2. Half fill the beaker with ammonium chloride solution. 3. Connect two wires to the voltmeter. 4. Using crocodile clips connect a piece of one metal to wire and a different metal to the other wire. 5. Dip the two pieces of metal into the solution and record the HIGHEST reading given in...
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