Sommutithan of educationEpisode 1 raw materials that bring the trial. When the mixture is brought to a level of acid value has changed.Episode 2 The level of acid. When mixing salt water leaching into it will make it capable of eliminating corrosion stains better.
Hypothesis of the study , part 1. Raw materials used in experiments When mixed together to make the pH to step 2. The pH level When the salt water mix to make the ability to corrosion and stains better.