Chapter 5 summarizes the results and discusses the results Implemented the project. Experimental results are summarized below. shows that when mixed with water, lemon juice, it was found that the higher the acidity. Lemon juice mixed with orange juice And orange juice mixed with pineapple juice We also found that when the juice is made from a combination of the 3 types of salt melt water into the coin with dirt into the timer for 30 minutes, after 30 minutes, bringing out coins. Rinse clean the coins mixed in water with a pH as high as possible is very clean as possible. The acid concentration is the most corrosive effects of acid concentration, respectively.
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