Precipitation Reactions
Chemistry ⇒ Chemical Reactions and Equations
Precipitation Reactions starts at 10 and continues till grade 12.
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See sample questions for grade 12
A chemist adds Na2SO4 to a solution of CaCl2. Will a precipitate form? If yes, name it.
A student mixes solutions of potassium iodide and lead(II) nitrate. What is the color of the precipitate formed?
Describe how you would experimentally confirm the formation of a precipitate in a reaction.
Describe the difference between a complete ionic equation and a net ionic equation in precipitation reactions.
A chemist adds Na2SO4 to a solution of CaCl2. Will a precipitate form? If yes, name it.
A solution contains Ba2+ ions. Which reagent can be added to test for the presence of Ba2+ by precipitation? (1) NaCl (2) Na2SO4 (3) NaNO3 (4) NaBr
A student mixes solutions of potassium iodide and lead(II) nitrate. What is the color of the precipitate formed?
Calculate the concentration of Ag+ ions remaining in solution after mixing 100 mL of 0.10 M AgNO3 with 100 mL of 0.10 M NaCl, assuming complete precipitation of AgCl.
A solution contains Ba2+ ions. Which reagent can be added to test for the presence of Ba2+ by precipitation? (1) NaCl (2) Na2SO4 (3) NaNO3 (4) NaBr
Which of the following best describes a precipitation reaction? (1) A reaction in which a gas is formed (2) A reaction in which a solid forms from two solutions (3) A reaction in which heat is absorbed (4) A reaction in which only liquids are produced
Which of the following compounds is insoluble in water? (1) NaNO3 (2) K2SO4 (3) PbSO4 (4) NH4Cl
Which of the following compounds will precipitate when aqueous solutions of Na2CO3 and CuSO4 are mixed? (1) Na2SO4 (2) CuCO3 (3) Na2CO3 (4) CuSO4
A white precipitate forms when aqueous solutions of calcium chloride and sodium carbonate are mixed. The formula of the precipitate is ________.
Complete the following reaction and identify the precipitate: Ca(NO3)2(aq) + Na2CO3(aq) → ________ + ________
Fill in the blank: The insoluble product formed in a precipitation reaction is called a ________.
Fill in the blank: The process of separating a precipitate from a solution is called ________.
True or False: All ionic compounds are soluble in water.
True or False: All nitrates are soluble in water.
True or False: Precipitation reactions are always exothermic.
True or False: The addition of a common ion can increase the solubility of a precipitate.
