Please Help!! The mixing of barium chloride and sodium sulfate is a precipitate reaction. This reaction generates barium sulfide and sodium chloride. Which best describes this reaction?
A. Barium chloride and sodium sulfate are solids, and barium sulfide or sodium chloride must be a liquid.
B. All of the materials are liquids.
C. All of the materials are solids.
D. Barium chloride and sodium sulfate are liquids, and barium sulfide or sodium chloride must be a solid.

The mixing of barium chloride and sodium sulfate is a precipitate reaction. This reaction generates barium sulfide and sodium chloride-Barium chloride and sodium sulfate are liquids, and barium sulfide or sodium chloride must be a solid.

Explanation:

It is known that when sodium sulfate is mix with barium chloride the output is  sodium chloride and barium sulfate. When the solution of Sodium Sulfate and Barium Chloride are mixed together the product of the reaction will be  barium sulfate and sodium chloride. This is an example of double displacement reaction.

Thus we can say that ,the mixing of barium chloride and sodium sulfate is a precipitate reaction. This reaction generates barium sulfide and sodium chloride-Barium chloride and sodium sulfate are liquids, and barium sulfide or sodium chloride must be a solid.