The chemical reaction that will produce a precipitate is:
C. [tex]Na_2CO_3+CaCl_2----- > CaCO_3+2NaCl[/tex]
How precipitates are formed?
Formation of an insoluble compound will sometimes occur when a solution containing a particular cation (a positively charged ion) is mixed with another solution containing a particular anion (a negatively charged ion). The solid that separates is called a precipitate.
Thus, out of the given options the option c will form a precipitate when sodium carbonate reacts with calcium chloride, calcium carbonate will form with a salt sodium chloride.
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