Preparation of Salts
Chemistry ⇒ Acids, Bases, and Salts
Preparation of Salts starts at 10 and continues till grade 12.
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See sample questions for grade 10
A student adds excess zinc oxide to dilute sulfuric acid, filters the mixture, and evaporates the filtrate. What salt is obtained?
A student mixes solutions of sodium chloride and silver nitrate. What is the white precipitate formed?
A student wants to prepare magnesium sulfate. Which method should be used?
Describe how to prepare lead(II) sulfate in the laboratory.
Describe the precipitation method for preparing an insoluble salt.
A student adds excess zinc oxide to dilute sulfuric acid, filters the mixture, and evaporates the filtrate. What salt is obtained?
A student mixes solutions of sodium chloride and silver nitrate. What is the white precipitate formed?
A student wants to prepare magnesium sulfate. Which method should be used?
A student wants to prepare barium sulfate in the laboratory. Which two solutions should be mixed?
(1) Barium chloride and sodium sulfate
(2) Barium nitrate and hydrochloric acid
(3) Barium carbonate and sulfuric acid
(4) Barium hydroxide and nitric acid
A student wants to prepare pure sodium sulfate crystals. Which two solutions should be mixed?
(1) Sodium chloride and sulfuric acid
(2) Sodium hydroxide and sulfuric acid
(3) Sodium carbonate and hydrochloric acid
(4) Sodium nitrate and sulfuric acid
Which of the following is a correct ionic equation for the formation of silver chloride precipitate?
(1) Ag+(aq) + Cl-(aq) → AgCl(s)
(2) Ag(s) + Cl2(g) → AgCl(s)
(3) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)
(4) Ag+(aq) + NO3-(aq) → AgNO3(aq)
Which of the following is a necessary condition for the preparation of a salt by direct combination of elements?
(1) Both elements must be gases
(2) At least one element must be a metal
(3) Both elements must be solids
(4) Both elements must be liquids
Fill in the blank: The general equation for the reaction of an acid with a base is Acid + Base → ______ + Water.
Fill in the blank: The process of removing water from a salt solution to obtain crystals is called ______.
Fill in the blank: The process of separating a solid salt from its solution by heating and removing the solvent is called ______.
Fill in the blank: The reaction between hydrochloric acid and sodium hydroxide produces ______ and water.
True or False: All neutralization reactions produce salts that are soluble in water.
True or False: All salts are soluble in water.
True or False: All salts can be prepared by the reaction of an acid with a metal.
True or False: The reaction between an acid and a base is called neutralization.
