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.
When electrodes are immersed in water and electricity is passed, bubbles of oxygen and hydrogens are evolved. The oxygen is deposited at the electrode connected to the
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