Barium Chloride and Sodium Sulfate Reaction

The video tutorial explains the double displacement reaction between barium chloride and sodium sulfate. Initially, a solution of sodium sulfate is prepared, and barium chloride is added to it. This results in the rapid formation of a white precipitate, identified as barium sulfate, demonstrating the reaction's completion.

What type of reaction involves barium chloride and sodium sulfate?

• Single displacement reaction

• Double displacement reaction

• Combustion reaction

• Decomposition reaction

What is the initial state of sodium sulfate in the reaction?

• Solid

• Liquid

• Gas

• Aqueous solution

What do we add to the sodium sulfate solution to start the reaction?

• Barium chloride

• Potassium sulfate

• Sodium chloride

• Calcium chloride

What is rapidly formed when barium chloride is added to sodium sulfate?

• A green precipitate

• A white precipitate

• A blue precipitate

• A yellow precipitate

What is the chemical formula of the precipitate formed in the reaction?

• BaSO4

• NaCl

• BaCl2

• Na2SO4