Add a small amount of lemon juice and leave it set for some time to help remove the odor from a coffee mug.
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Put a dryer sheet in front of a fan by securing it in the protective covering in front of the fan blades. The air flowing through the dryer sheet will spread the dryer sheet smell around the room.
To keep refrigerator from smelling, put an open box or container of baking soda in it. It is easiest to use a cardboard baking soda box with the top or corner open.