Question

Which of the following is not correct regarding smoke and fog?

• A. Both have same physical state of dispersion medium
• B. Both have same physical state of dispersed phase
• C. Mixture of fog and smoke is called smog
• D. Both are examples of aerosol

Answer 1

The correct option is B Both have same physical state of dispersed phase

Both smoke and fog have same dispersion medium i.e., gas. Dispersed phase in fog is liquid whereas in smoke it is solid (particulate matter).