In the Following List,only ________ Is Not an Example of a Chemical

question 71

Multiple Choice

In the following list,only ________ is not an example of a chemical reaction.

• A)burning a plastic water bottle
• B)the production of hydrogen gas from water
• C)the tarnishing of a copper penny
• D)chopping a log into sawdust
• E)charging a cellular phone

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Definitions:

Aerobic Exercise

Physical activity that relies on the oxygenation of blood through the heart to improve the efficiency of the body’s cardiovascular system.

Healthcare Checkups

Regular medical examinations or assessments, often annual, to monitor an individual's general health or to screen for specific conditions.

Nutritional Intake

The amount and type of food and beverages consumed by an individual, critical for health and well-being.

High-fiber Foods

Foods rich in dietary fiber, which help in digestion and can prevent constipation, including fruits, vegetables, whole grains, and legumes.