Flasks, Erlenmeyer, $ Joint

Flask is a bottle -shaped laboratory container with a narrow neck that is used to hold, heat, or mix chemicals in various experiments. Erlenmeyer flask has a cone shape with a flat base and narrow neck, designed to facilitate stirring without spilling and reducing the risk of splashing fluid when mixed or heated. Flask with a joint is a type of flask that is equipped with a joint (joint) that allows association with other equipment, such as condenser tubes or burettes, for experiments that require close connections, such as distillation or closed chemical reactions