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To produce PURE SALT from ROCK SALT, we need to take it through several processes, including THREE listed here. Which ONE is NOT REQUIRED for this process? Filtration Evaporation Distillation Dissolving

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ErinElite · Tutor for 8 years

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<p> Distillation</p>

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<p> The process of obtaining pure salt from rock salt involves several steps, which include: grinding the rock salt, dissolving it in water to form a salt solution, and then filtering to remove impurities. At this stage, we have a pure salt solution, but it’s still mixed with water. The next step is to evaporate the water, leaving behind the pure salt. Distillation is not a necessary process in the production of pure salt from rock salt because it isn’t required to separate the salt from impurities or the water. Note that in chemistry, distillation is a process used to separate mixtures based on differences in their volatilities in a boiling liquid mixture. Hence, distillation could be employed if we needed to separate two or more liquids from each other (like in the purification of alcohol), but in the case of rock salt purification, it is not required, as we're dealing with separating a solid (salt) from a liquid (water) - and simpler processes (like filtration and evaporation or crystallization) can accomplish this.</p>

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To produce PURE SALT from ROCK SALT, we need to take it through several processes, including THREE listed here. Which ONE is NOT REQUIRED for this process? Filtration Evaporation Distillation Dissolving

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