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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Popcorn ceiling texture close up. A popcorn ceiling, also known as cottage cheese ceiling or more accurately a Stucco ceiling, is a term for a spray-on or paint-on ceiling treatment used from the late 1950s into the 1980s in American residential construction.