All the gases form cathode rays and anode rays when electricity is passed through them :
(i) What does the formation of cathode rats tell us about the atoms ?
(ii) What des the formation of anode rays tell us about the atoms ?

What is wrong about anode rays?

Daltons theory of atom & Discovery of cathode rays anode rays

What happens to cathode rays when they are subjected to an electric field?

When a crystal of potassium peramagnate is placed in a beaker, its purple colour spreads throughout the water. What does this observation tell us about the nature of pottassium permanganate and water?

What does the no deflection position in the galvanometer of potentiometer experiment tell us about the flow of current ?

A first aid manusl suggests that vinegar should be used to treat wasp stings and aking soda for bee stings. (i) What dows this information tell you about the chemical nature of the wasp stings ? (ii) If there were no baking soda in the house, what other household substance could you use to treat bee stings