Abstract
research topics: the acid from the fruit juice
researcher: a girl ธนั ชพร alloy dust
เด็กหญิงพิมพ areca prang classical
boys trade Happy fun
consultants: a mighty king. Thus Libra
abstract academic year: 2557
.The purpose of this study is 1) to determine the concentration of lemon, orange, pineapple 2) to compare the efficiency of acid from the lemonade. Orange, pineapple, which can eliminate the ink stains stuck on the clothes in 2557.2 steps. 1 study the acidity of the juice and the order from the high to low the lemon, orange, pineapple juice. The water lemon, orange, pineapple, test paper unit with power cells. IndicatorFrom the high to low step 2 study can in corrosion dirt of the ink ที่ติด on clothes the lemon, orange, pineapple. Juice the fabric afected by the ink test soak in the juice each kind left approximately.Minutes notice that any kind of juice can remove the dirt as well
.The results showed that the 1) orange juice concentration values for pH was 4 lemonade. The concentration value pH only with 3 pineapple juice concentration values. PH was 3 2 pineapple juice and lemonade.) can get rid of the dirt as well
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