A solution of known molarity is called a standard solution. Its concentration is determined by a process known as standardization. solution of known molarity is called a standard solution. Its concentration is determined by a process known as standardization.
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Also called suspended, drop down or dropped ceilings, drop ceilings are installed just below a primary ceiling to hide wiring, pipes, ductwork, cracks, water damage or other unsightly problems.hopping for a drop ceiling: 1  Most often drop ceilings are installed during a basement remodel, to give the room a finished look while still providing relatively easy access to ductwork, pipes or wiring under the tiles.