Phenolphthalein Has Often Been Used to Monitor the Progress of Acid-Base

question 55

Multiple Choice

Phenolphthalein has often been used to monitor the progress of acid-base neutralization reactions.What color will phenolphthalein be if there is an excess of base present?

• A)colorless
• B)green
• C)pink
• D)yellow

---

Definitions:

Batches

In manufacturing and computing, batches refer to groups of items or data processed or produced at one time, often for efficiency and tracking purposes.

Defect Rate

The frequency at which defects, flaws, or errors occur in a product, process, or system, usually expressed as a ratio or percentage of the total output.

Standard Deviation

A metric that gauges the extent of spread or scatter around the mean within a group of numbers, illustrating the distance of the values from their central point.

Batches

Groups or sets of goods or materials that are processed or produced at the same time.