Part I) Interpretation of pH of household products

Part I) Interpretation of pH of household products.

Use the following guide to complete Table 1. pH of Household Products. Then answer the questions below.

pH Range Guide

Color pH Range Nature

red 0 - 1 Strong Acid

Orange 2 - 3 Strong Acid

Orange yellow 4 - 6 Weak Acid

green 7 Neutral

Green - blue 8 - 10 Weak Base

Blue 11 - 14 Strong Base

Item Range Paper color pH Range? Conclusion Acid or Base Weak or Strong ?

lemon juice orange

vinegar orange

household ammonia Green - Blue

Soda Orange - yellow

antacid tablet dissolved in water Green - Blue

dishwashing liquid (in water) Green - Blue

lime juice orange

bleach blue

laundry detergent Green - Blue

baking soda in water blue

baby shampoo in water green

1. In general what do you notice about the household use for the items that were acidic and for the ones that were basic?