Precipitation Reactions and Characteristics

The video tutorial demonstrates a precipitation reaction between sodium chloride and silver nitrate solutions, resulting in the formation of silver chloride precipitates. The instructor explains the materials needed, including sodium chloride and silver nitrate solutions, and guides through the preparation of the sodium chloride solution. The experiment involves mixing the two solutions, leading to the formation of white precipitates of silver chloride, which are insoluble in water. The video highlights the visual observation of the precipitates settling down and sticking to the test tube walls.

What type of reaction is demonstrated in the video?

• Combustion reaction

• Precipitation reaction

• Decomposition reaction

• Synthesis reaction

Which of the following is used to prepare the sodium chloride solution?

• Calcium carbonate

• Sodium chloride

• Sodium bicarbonate

• Silver nitrate

What is the solubility characteristic of sodium chloride in water?

• Insoluble

• Reacts with water

• Partially soluble

• Soluble

What is added to the sodium chloride solution to observe the reaction?

• Potassium chloride

• Silver nitrate

• Calcium nitrate

• Magnesium sulfate

What is the appearance of the precipitate formed in the reaction?

• Clear and colorless

• Green and slimy

• Blue and powdery

• White and curd-like

What is the chemical formula of the precipitate formed?

• AgCl

• NaNO3

• NaCl

• AgNO3