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Suhana takes three beakers, A, B and C ...

Suhana takes three beakers, A, B and C filled with aqueous solutions of glucose, alcohol and hydrochloric acid repectively as shown in the following figure.

Which of the following statement is correct in terms of glowing of bulb when the switch is ON?

A

Bulb A and B do not glow but bulb C glows.

B

Bulb A and C do not glow but bulb B glows.

C

Bulb B and C do not glow but bulb A glows.

D

All the bulbs glow.

Text Solution

Verified by Experts

The correct Answer is:
A
Glucose and alcohol solutions do not conduct electricity as they do not have ions. Dil HCl contains ions so the flow of ions is responsible for the flow of current.
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