By which process does the smell of cooking spread to all the rooms in a house?
Correct answer: B. Diffusion
- A. Distillation
- B. Diffusion
- C. Decomposition
- D. Displacement
Explanation
Diffusion causes cooking-smell molecules to move from the region of higher concentration near the kitchen into rooms where their concentration is lower. Distillation and decomposition are unrelated processes.
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