When a Set of Electrodes Connected to a Light Bulb

question 23

Essay

When a set of electrodes connected to a light bulb is placed in a solution of dextrose and a current is applied, the light bulb does not light up. When the same unit is placed in HCl, it does. Why?

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Definitions:

Culturette Tube

A sterile, compact device used for collecting and transporting microbiological samples to a laboratory for culture.

Hearing Deficit

A reduction in the ability to perceive sound, which can range from mild hearing loss to total deafness, affecting one or both ears.

Presbycusis

Age-related hearing loss, gradually occurring in both ears, primarily affecting the ability to hear high-frequency sounds.

Sensory Deficit

A condition where one or more of the senses (sight, sound, taste, touch, smell) are impaired.