Indicator Assessment

Use the following chart to determine whether the substances below are acids, bases, or are neutral.

1. The same chemical is in each beaker. One indicator was added to each one. Determine whether it is an acid, base, or neutral.

Phenolphthalein was added to the beaker.	Alizarin yellow was added.	Universal indicator was added.

2. The same chemical is in each beaker. One indicator was added to each one. Determine whether it is an acid, base, or neutral.

Phenolphthalein was added to the beaker.	Bromothymol blue was added.	Universal indicator was added.

3. The same chemical is in each beaker. One indicator was added to each one. Determine whether it is an acid, base, or neutral.

Phenolphthalein was added to the beaker.	Methyl red was added.	Universal indicator was added.

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