Andrew is employing a universal indicator to examine different household substances. He documents the data provided in the following table.

Question

Substance: Vinegar | Indicator Color: Orange | pH: 2
Substance: Tomato | Indicator Color: Yellow | pH: 4
Substance: Coffee | Indicator Color: Green | pH: 5
Substance: Salt water | Indicator Color: Teal | pH: 8
Substance: Soapy water | Indicator Color: Light purple | pH: 12
Substance: Drain cleaner | Indicator Color: Dark purple | pH: 14
Subsequently, Andrew employs the universal indicator to assess bleach, which yields a purple color as per the results. Utilizing the information in the table, classify bleach as either an acid or a base.
A. The color indicator shows that bleach has a pH below 7, so it is a base.
B. The color indicator shows that bleach has a pH above 7, so it is a base.

Answer 1

B. The color indicator shows that bleach has a pH above 7, so it is a base.

Since the indicator shows a purple color for bleach, we can infer that it has a high pH, typically indicating that it is a basic substance.