Salts Preparation - Precipitation

• A

• B

• C

• D

Which of the following is/are insoluble?

• Silver sulfate

• Lead(II) chloride

• Lithium sulfate

• Zinc carbonate

Which method is used to prepare lead (II) chloride?

• Pb(NO₃)₂(aq) + NaCl (aq) --->

• PbSO₄(s)+ NaCl (aq) --->

• PbCO₃(s) + NaCl (aq) --->

Which of the following salts is prepared by precipitation method?

• sodium chloride

• barium sulfate

• calcium nitrate

• ammonium carbonate

Which salt would not be prepared by a method using precipitation?

• barium carbonate

• magnesium carbonate

• lithium sulfate

• silver chloride

Which of the following is the best way to prepare pure calcium sulfate?

• mixing calcium nitrate to sulfuric acid and collect the residue

• adding excess calcium to sulfuric acid, filter to collect the filtrate

• mixing calcium chloride and zinc sulfate and filter to collect the filtrate

• titrating calcium carbonate and hydrochloric acid and heat up the mixture to remove water content

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

The following equation shows the reagents used in preparing an insoluble salt.

Barium nitrate + zinc sulfate -->

Which of the following is the insoluble salt formed?

• Barium nitrate

• Zinc nitrate

• Barium sulfate

• Zinc sulfate

which of the following reagents can be used to prepare lead(II) chloride?

• lead(II) nitrate + potassium chloride

• lead(II) sulfate + sodium nitrate

• lead(II) carbonate + magnesium chloride

Bryan wants to prepare silver chloride in the science laboratory.

Which of the following reactants should he use?

• silver + hydrochloric acid

• silver hydroxide + hydrochloric acid

• silver nitrate + potassium chloride

• silver + chlorine gas