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How To Make A Vinegar Battery | Homemade Vinegar Battery | Science Experiment For School Kids


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How to make a Vinegar Battery | Homemade Vinegar Battery | Science Experiment for School Kids

Vinegar battery
For this experiment you'll need:
• Vinegar
• Two glasses
• Two zinc strips
• Two copper strips
• Connecting wires
• LED Bulb
• Take two glasses and fill them with vinegar
• Take Zinc and a Copper strip and connect one of the ends of both the strips using a connecting wire.
• Put the connected Zinc strip in one of the glasses and copper strip in another glass.
• Take remaining two strips i.e. copper and zinc strips. Connect it to the LED using two connecting wires.
• Now put the copper strip which is connected to the LED in the glass which has zinc strip and LED connected zinc strip in copper containing glass.
• You'll observe that the LED light starts glowing
• When the plates are inserted into the glasses with vinegar, acetic acid present in vinegar, chemical reaction takes place.
• Metal atoms are held together by electrical attractions between the nuclei and the electrons around the atoms.
• When you place a strip of metal in a glass of vinegar, the vinegar molecules interact with the metal atoms on the surface of the strip.
• At the interface between the vinegar and the metal, some of the metal nuclei are attracted to the negative side of the vinegar molecules. This attraction makes it easier for a metal nucleus to leave one or more of its electrons behind in the metal strip, and migrate away from the strip into the vinegar.
• The strip is left with a very small negative electric charge, because it now has one less positive nucleus in it. This tiny charge does not pull very much on the metal ion that has left the strip. In fact, that ion (a metal atom with one or more electrons missing) is quickly surrounded by vinegar molecules, whose negative side is attracted to the positive metal ion. This blanket of water molecules spreads out the positive charge over a larger area, making it even less attracted to the metal strip.
• This is a very temporary effect, and the metal ion usually gets attracted back to the strip very quickly. But since there are enormous numbers of atoms at the surface of the metal strip, and an enormous number of metal ions are in the vinegar at any given time, the metal strip ends up with quite a few more electrons than metal nuclei. This gives the strip a slight negative charge.
• If one metal strip has more extra electrons than another one does, those electrons will flow from the first strip to the second, until they both have the same charge. But to flow, the electrons need a conductive path. We give them that path when we connect two strips of different metals with a wire. The electrons then flow through that wire, creating an electric current. So the LED glows
Happy lighting ..

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