Thomson's experiments with cathode ray tubes helped him to discover the electron (which Dalton did not know about). Dalton thought that atoms were indivisible particles, and Thomson's discovery of the electron proved the existence of subatomic particles.
Fine particles, ground level ozone, sulfur dioxide, nitrogen dioxide, lead
3......................................
1-Stirring.
2-Increase Temperature of the Solvent.
3-Increase Surface Area.
4 – Increase Pressure.
