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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Ceilings are classified according to their appearance or construction. A cathedral ceiling is any tall ceiling area similar to those in a church.A dropped ceiling is one in which the finished surface is constructed anywhere from a few inches or centimetres to several feet or a few metres below the structure above it.n the case of a dropped ceiling, the rating is achieved by the entire system, which is both the structure above, from which the ceilings is suspended, which could be a concrete floor or a timber floor, as well as the suspension mechanism and, finally the lowest membrane or dropped ceiling.