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Class 1 preservatives are considered safe for use in food and have no restrictions on their use levels. Class 2 preservatives, on the other hand, are also safe but have specific limits on the maximum levels that can be used in food products.
Class 1 preservatives are very effective preservatives that can protect products against a broad spectrum of microorganisms at lower concentrations. They are often used in personal care products, pharmaceuticals, and food to extend shelf-life and maintain product safety. Examples include parabens, phenoxyethanol, and formaldehyde-releasing preservatives.
well, 102 is 1 less then 103, there different numbers
There is no difference between cm3 and ml. They represent the same volume unit, where 1 cm3 is equal to 1 ml. Both are commonly used to measure volume in various contexts.
7ocl is equivalent to 0.7 liters. 1 liter is equivalent to 100cl. Therefore, 7ocl is smaller than 1 liter by 0.3 liters.
Cupric chloride refers to the compound CuCl2, where copper has a +2 oxidation state. Cuprous chloride refers to the compound CuCl, where copper has a +1 oxidation state. This difference in oxidation state affects the chemical and physical properties of these compounds.