Objective 1. To determine the acidity of the juice, mix 2. To determine the acidity of the juice mixture and add salt dissolved in water to have a third car. To remove stains or three. Three to study the corrosion of salt water, juice, when mixed benefits are expected to get one. Be aware of when the acid test of juice, when mixed with and sort out the descending second. Be aware of their ability to remove stains of fruit juice mixed with water soluble salt that can be used to clean actually three. Be aware of the three cars in the erosion of juice mixed with salt, then mix it. Abrasive enough to remove dirt scope of the study 1. To find the pH level. Of juice to mix together 2. Study on corrosion of the juice mixture. Then add the salt melt water and the ability to remove stains on coins hypothesis of the study was the first. Materials taken Trial When mixed together to make the pH level to the second. PH level When salt water mix to make the ability to corrosion and stains better variant parameters from the first juice, pineapple juice, orange juice, the second lemon juice, vinegar, salt, water soluble variant levels. ph measured experimental parameters control at first. Lemon water Water pineapple Of orange juice at 2 Lemon water The amount of orange juice, pineapple juice, salt dissolved in water.
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