Awater solution of sodium chloride is a good conductor of electricity. due to this property, table salt is classified as a(n): a. weak electrolyte b. strong electrolyte c. non-electrolyte d. semi-electrolyte

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?