Which of the Following Can Be Observed When Phenolphthalein Is

question 163

Multiple Choice

Which of the following can be observed when phenolphthalein is added to a sulfuric acid solution?

• A) The solution remains colorless.
• B) The solution turns pink.
• C) The solution turns blue.
• D) The solution turns green.

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Definitions:

Circadian Rhythm

The inherent, internal mechanism that controls the cycle of sleep and wakefulness, recurring approximately every 24 hours and affecting physiological, cognitive, and behavioral alterations.

Chronic Sleep Debt

The cumulative effect of not getting enough sleep on a regular basis, leading to significant physical and psychological health issues.

Weight Gain

The increase in body weight over a period, which can result from muscle mass gain, fat accumulation, or retention of excess fluid.

Sleep Apnea

A sleep disorder characterized by pauses in breathing or periods of shallow breathing during sleep, often leading to disrupted sleep and various health issues.