Preparation of salts

Which of the following is insoluble?

• silver chloride

• zinc chloride

• potassium chloride

• ammonium chloride

Which method is used to prepare silver chloride?

• Add excess solid reactant to acid

• Titration

• Precipitation

Which method is used to prepare barium sulphate?

• Add excess solid reactant to acid

• Titration

• Precipitation

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

• Pb(NO₃)₂(aq) + NaCl (aq) --->

• PbSO₄(s)+ NaCl (aq) --->

• PbCO₃(s) + NaCl (aq) --->

__________ are soluble.

• All carbonates

• All chlorides

• All nitrates

• All sulfates

Which of the following is/are insoluble salt(s)?

• barium sulphate

• magnesium nitrate

• silver nitrate

• sodium carbonate

Precipitation involves mixing ___________ to form an insoluble solid that separates out from the reaction mixture.

• acid and alkali

• acid and metal

• two acids

• two solutions

Zinc nitrate can be prepared by reacting nitric acid with excess solid. Which of the following solids cannot be used in the preparation of calcium nitrate?

• Zinc

• zinc sulphate

• zinc oxide

• zinc carbonate

Which of the following method is suitable to prepare iron(II) sulphate?

• FeCl₂ + H₂SO₄ --->

• Fe(NO₃)₂ + H₂SO₄ --->

• Fe + H₂SO₄ --->

• Fe(OH)₂ + H₂SO₄ --->

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