experiment: the cabbage indicator

this experiment uses cabbage indicator to show how indicators can be used to determine if a solution is an acid or base.

the materials for this experiment are:
cabbage indicator
distilled water
white vinegar
baking soda
notebook paper
several small, clear cups
a larger clear container
and several household liquids such as:
clear soda
baking powder dissolved in water
clear shampoo
lemonade
liquid soap
and fertilizer dissolved in water.

write a summary paragraph discussing this experiment and the results. use the
following questions to guide the content of your paragraph.

what was your hypothesis? according to your data, was your hypothesis was correct?

why did some substances require larger additions before a color change was seen?

what does this indicate about the strength of the acid or base?

what happened in the final step of the experiment? what does the final color indicate?

to what extent was this experiment useful in determining ph? could a specific ph be
determined using this procedure?

why are acid and base indicators important? how could they be used in everyday life?