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 11
A solution of magnesium sulfate is mixed with a solution of sodium hydroxide. 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 the difference between a complete ionic equation and a net ionic equation for a precipitation reaction.
Describe the steps to predict whether a precipitation reaction will occur when two aqueous solutions are mixed.
A solution contains both Ba2+ and Ca2+ ions. Which reagent can be added to selectively precipitate Ba2+ as an insoluble salt? (1) Na2SO4 (2) NaCl (3) NaNO3 (4) NaOH
A solution of magnesium sulfate is mixed with a solution of sodium hydroxide. Will a precipitate form? If yes, name it.
A student adds 10 mL of 0.2 M Na2SO4 to 10 mL of 0.2 M BaCl2. Calculate the moles of BaSO4 formed.
A student mixes solutions of potassium iodide and lead(II) nitrate. What is the color of the precipitate formed?
A solution contains both Ba2+ and Ca2+ ions. Which reagent can be added to selectively precipitate Ba2+ as an insoluble salt? (1) Na2SO4 (2) NaCl (3) NaNO3 (4) NaOH
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 best represents a net ionic equation for a precipitation reaction? (1) Includes all ions and molecules (2) Only includes spectator ions (3) Only includes ions and molecules involved in forming the precipitate (4) Only includes products
Which of the following compounds is insoluble in water? (1) NaNO3 (2) K2SO4 (3) PbI2 (4) NH4Cl
Complete the following equation 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 solid from a liquid in a precipitation reaction is called ________.
Fill in the blank: When two solutions are mixed and no precipitate forms, the resulting solution is said to be ________.
True or False: All ionic compounds are soluble in water.
True or False: All nitrates are soluble in water.
True or False: Precipitation reactions can be used to remove unwanted ions from water.
True or False: The formation of a precipitate always indicates a chemical change.
