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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There are two types of fresco-wet and dry (secco). Wet fresco ('true' fresco) is a unique technique, where a wall is plastered and painted at the same time. The 'paint' real â¦ ly is thick colored lime or chalk/gypsum mass.