Please answer the following questions -

1. If Milk conducts electricity due to the presense of lactic acid, then do the products of milk like yoghurt, buttermilk & butter conduct electricity ??
2. How does potato conduct electricity ?? Does it have any acid or salts in it ??

A-1) Milk products like curd, buttermilk, yogurt will conduct electricity.

A-2) Any substance conducts electricity because of the presence of ions or free electrons. The motion of these ions and electrons causes the flow of electricity. Potato consists of starch, salts and some water. The presence of salt and water releases ions, which result in the conduction of electricity. Thus, potato conducts electricity.