Question

Activity :
To test electrical conductivity of lemon juice and vinegar.​

Answer 1

Materials Needed:

Lemon juice, vinegar, insulated copper wire, battery, and a light - emitting diode (LED).

METHOD:

Arrange the set - up as shown in the following figure. Take a small amount of lemon juice in a plastic bottle cap and dip the two free ends of the copper wire into it, as shown in the figure. Take care that the free ends of the wire do not touch each other. Repeat this procedure with vinegar.

Observation:

The LED will glow in each case.

CONCLUSION:

Lemon juice and vinegar are good conductors.

Answer 2

Explanation:

Take a small amount of lemon juice in a plastic bottle cap and dip the two free ends of the copper wire into it, as shown in the figure. Take care that the free ends of the wire do not touch each other. Repeat this procedure with vinegar.