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Why is it easy to separate a mixture of water and sand, but it is difficult to separate sodium from chlorine in the compound (NaCl)?
What is the purpose of filtration?
How is a solution formed?
Which of the following steps is carried out last in the process of crystallisation?
What is the importance of gently heating the solution in an evaporating basin?
You have a mixture of sand and water and want to separate the sand from the water. Which separation technique would you use?