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The steps listed below can be followed in order to prepare calcium chloride:
Step 1:
Take a beaker. Wear gloves and place limestones in it until the beaker is filled up by a quarter of its total volume.
Step 2:
Add approximately 1/4th of a beaker of HCl (hydrochloric acid) to the limestones.
Step 3:
As the HCl dissolves the limestone it starts to bubble. Mix the contents in the beaker gently and take care that the reaction completes. Add a little limestone if all the limestones dissolve in it completely.
Step 4:
Filter off the solids by pouring the solution through the filter paper as soon as the solution stops bubbling.
Step 5:
Heat the second beaker which contains the calcium chloride solution. Solid calcium chloride is the solid left after the water evaporates.
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