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A boiling tube is a large test tube intended specifically for boiling liquids. A test tube filled with water and upturned into a water-filled beaker is often used to capture gases, e.g. in electrolysis demonstrations. A test tube with a stopper is often used for temporary storage of chemical or biological samples.
In association football, a football club (or association football club, alternatively soccer club) is a sports club that acts as an entity through which association football teams organise their sporting activities. The club can exist either as an independent unit or as part of a larger sports organization as a subsidiary of the parent club or ...
Laboratory sample tubes are used to hold small quantities of substances undergoing experimentation or testing. These tubes are usually made of glass, but can also be made of plastic or metal.
Similar to the reaction flasks, the distillation flasks usually have only one narrow neck and a ground glass joint and are made of thinner glass than the reaction flask, so that they are easier to heat. They are sometimes spherical, test tube shaped or pear-shaped, also known as Kjeldahl Flasks, due to their use with Kjeldahl bulbs.
A football or soccer ball is the ball used in the sport of association football. The ball's spherical shape, as well as its size, weight, mass, and material composition, are specified by Law 2 of the Laws of the Game maintained by the International Football Association Board . [ 1 ]
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A laboratory (UK: / l ə ˈ b ɒr ə t ər i /; US: / ˈ l æ b r ə t ɔːr i /; colloquially lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed. Laboratories are found in a variety of settings such as schools, universities, privately owned ...
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