Complete the following sentence:
The anode rays obtained from hydrogen gas consist of particles called -------?
1. Anode rays move in the opposite direction to cathode rays.
2. Anode rays or canal rays move from the anode.
3. It is found that anode rays contain positively charged particles called protons hence these rays are also called positive rays.
Hence, the anode rays obtained from hydrogen gas consist of particles called protons.