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You can obtain smaller and purer crystals by means of using precipitation or using the bigger crystals, because it is better to get them big, then cool them to make them small.

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What is a method to obtain pure dry salt and pure dry soil?

you have been asekd to analyse some salt-contaminated soil. How would you separte the salt from the soil? (a) write out the method that you would use to obtain pure dry salt and pure dry soil. (b) draw a labelled diagram showing how you equipment would be set up for each stage of your separtion. obviously this is not an answer it is a question i just want question a because i really need this science mark anyone? please? please help me :P


How do you obtain pure and dry sample of sodium chloride salt?

To obtain a dry sample of salt the process of the evaporation of salty water must take place . Generally salt is produced in the Salt pans that are located close to the coast . The suns energy is used to evaporate ,leaving the residue behind . This residue is a mixture of several salts not just NaCl. To obtain a pure form of salt it is processed by industries and is pure Sodium Chloride.


How is impure common salt purified?

Impure common salt can be purified through the process of recrystallization. This involves dissolving the impure salt in water, filtering out any insoluble impurities, and then allowing the solution to cool slowly so that pure salt crystals form. These crystals can then be separated and dried to obtain purified common salt.


What is luster of salt?

Pure sodium chloride crystals are transparent.


How could you get both water and salt crystals from a salt solution?

i think by distillation..we can get pure water and salt


What the color of of salt after crystallization?

Pure sodium chloride crystals are colorless.


How would you get back salt from a mixture of sand and salt?

Add water and stirr: salt is soluble, sand not. Filter the solution. On the filter re- main sand, in the solution salt. After repetitive evaporations you can obtain salt as crystals.


Would salt water or pure water freeze more easily?

Salt will lower the freezing point of water. So, "pure" water freezes easier than salt water.


Would the people have made pure salt?

The word "salt" or common salt usually is applied to Sodium Chloride. Seawater contains a variety of salts, so people "making" salt from seawater would not just be getting Sodium Chloride.


Why do we get pure salt from rock salt?

Pure salt is obtained from rock salt through a process called evaporation. Rock salt contains impurities and other minerals that are removed when the salt is dissolved in water and then evaporated, leaving behind pure salt crystals. This process helps to separate the salt from any impurities present in the rock salt.


What is the most common color of salt?

Pure table (sodium chloride, NaCl) is white. Crystals are colorless.


How could you get a sample if soluble salt?

To get a sample of soluble salt, you can dissolve the salt in water, filter out any impurities, then evaporate the water to leave behind the salt crystals. This will give you a pure sample of the soluble salt.