Friday , September 22 2017

Daily Archives: September 5, 2017

How to Make a Battery using Coin

coin battrey

Video Description         Materials Required for Making Battery using Coin: Thin Cardboard Copper coins Aluminium foil Vinegar ( Sirka ) or Lemon juice   The process is very simple: First, you need to wash the coins with vinegar and salt, then you have to dry them. Draw the …

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