Which of the following is responsible for the conduction of electricity in a gas enclosed in a glass tube containing two electrodes at a reduced pressure and to which a high voltage is applied?
A. Cations and anions B. Cations C. Electrons D. Cations and electrons
Correct Answer: C
Explanation
When a gas is enclosed in a glass tube at high potential difference and low pressure, cathode rays which are streams of fast moving electrons are produced. They are responsible for the conduction of electricity in a gas.