Read the statement and answer:
1.
As we know, all liquids are not conductors of electricity, but electrolytes do. The liquid which does not allow the electricity to pass through them are called non-electrolyte. Find the non-electrolyte.
2.
Agalya found that when carbon electrodes were immersed in a solution and electricity was passed, small bubbles are evolved at the end of the electrodes. These are
3.
When Shivu is experimenting with potato, he found a bluish-green spot on the potato around the copper wire connected to the one terminal of the battery, whereas no such spot occurs at