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WorksheetsPreparation of Salts I - Adding excess solid to acid
Total questions: 8
Worksheet time: 4mins
Which of the following salts is prepared by precipitation method?
sodium chloride
calcium nitrate
barium sulfate
ammonium carbonate
Which of the following methods is used to prepare zinc sulfate?
Add excess zinc chloride to aqueous sodium sulfate
Tiltrate dilute H2SO4 with aqueous Zn(OH)2 with an indicator, then again without
Add excess solid zinc oxide to dilute sulfuric acid
Mix aqueous zinc nitrate with aqueous potassium sulfate
Why is solid calcium hydroxide added in excess to dilute nitric acid when preparing calcium nitrate salt?
To ensure all calcium hydroxide is used up
To speed up the reaction
To ensure all dilute nitric acid is used up
To have maximum yield of calcium nitrate
Which pair of reagents can be used to prepare copper(II) sulfate salt?
Copper metal with dilute sulfuric acid
Copper(II) nitrate with sodium sulfate
Copper(II) chloride and dilute sulfuric acid
Copper(II) carbonate with dilute sulfuric acid
Which method is used to prepare silver chloride?
Add excess solid reactant to acid
Titration
Precipitation
__________ are soluble.
All carbonates
All chlorides
All nitrates
All sulfates
Which is the most suitable method for separating the products of the reaction below:
NaCl (aq) + AgNO3 (aq) --> AgCl (s) + NaNO3 (aq)
chromatography
crystallisation
distillation
filtration
A student was asked to prepare a sample of magnesium sulfate, and chose a solid to add to sulfuric acid. The experiment failed.
Which solid was chosen?
magnesium carbonate
magnesium nitrate
magnesium
magnesium oxide
