What substances turned into Acids? &
Pour about three milliliters of your sample in each of three test
tubes. Pour the same amount on a watch glass. In the first test tube put in
two drops of methyl orange and record the color. In the second test tube, put in two drops of bromothymol blue and record the color. In the third test tube, add two drops of phenothalein and record the color. Using the watch glass sample, touch the tips of a red and a blue litmus paper and record the colors. Then touch the tip of a piece of pH Paper and record the color and match the color to the chart and record the pH.
Methyl O Bromothymol B Phenothalein R Litmus B Litmus pH Paper Color Congo R
AA- orange/red yellow clear red red pink(1) purple
OJ- red/orange yellow yellow red pink Orange(4) purple
HA- red yellow clear red red red(2) purple
Bleach-orange yellow clear red red orange(4) purple
Vinegar-red yellow clear red red red(1) purple
SH-orange blue red blue blue brown(12) orange
Mouth wash-red yellow/green sky blue red red red(1) purple
Lemon J-red yellow clear red red red(2) purple
Windex-Orange blue clear red blue orange(6) red
Plax-orange blue lilac red
...