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the answer is incence!
Incense refers to a substance that is burned for its pleasant smell, often used in religious ceremonies, aromatherapy, or to create a calming atmosphere.
Liquids can smell due to the presence of volatile molecules that are released into the air and are detected by our sense of smell. These molecules can come from the liquid itself or from substances dissolved in the liquid. The smell of a liquid can give us information about its composition and quality.
smell it
Gas is co or ch4 They dont have color even not smell When it liquid ,it Dont smell ,but something added can smell . so you know it liquid
because it likes the smell of the floor or wall
take them out......
you cant it stays stationary.
Ammonia is a colorless gas that is soluble in water to form a clear, colorless liquid with a pungent smell.
It depends on the ventilation and insulation in the building. Smoke can travel through openings in the floor or vents, potentially allowing the smell to reach other areas. It's best to smoke in a well-ventilated area or use devices that minimize the smell.
A red liquid inside a thermometer, often colored with mercury or alcohol, can emit a metallic smell when exposed to air as these substances are volatile. The smell is more noticeable when the thermometer is broken or if the liquid is spilled, releasing the odor into the air.
Gaseous amine possess a characteristic ammonia smell, while liquid amines have a distinctive "fishy" smell.