Salt preparation

Which of the following salts is always soluble in water?

• Silver chloride (AgCl)

• Sodium nitrate (NaNO₃)

• Calcium sulfate (CaSO₄)

• Lead(II) iodide (PbI₂)

What is the method of preparation for a soluble salt like potassium chloride (KCl)?

• Precipitation method

• Excess solid method

• Titration method

• Filtration method

Which of the following is an exception to the solubility of chlorides?

• Sodium chloride (NaCl)

• Potassium chloride (KCl)

• Silver chloride (AgCl)

• Ammonium chloride (NH₄Cl)

Which of the following reactions is used to prepare an insoluble salt?

• Reacting an acid with an alkali

• Reacting two soluble solutions to form a precipitate

• Reacting an acid with excess metal

• Reacting an acid with a carbonate

Which of the following hydroxides is soluble in water?

• Calcium hydroxide (Ca(OH)₂)

• Magnesium hydroxide (Mg(OH)₂)

• Sodium hydroxide (NaOH)

• Iron(III) hydroxide (Fe(OH)₃)

What is the solubility rule for nitrates?

• Soluble with exceptions

• Insoluble with exceptions

• Always soluble

• Always insoluble

Which of the following is a correct example of a neutralization reaction?

Which of the following carbonates is soluble in water?

• Calcium carbonate (CaCO₃)

• Sodium carbonate (Na₂CO₃)

• Lead(II) carbonate (PbCO₃)

• Copper(II) carbonate (CuCO₃)

Which of the following is an exception to the solubility of sulfates?

• Sodium sulfate (Na₂SO₄)

• Barium sulfate (BaSO₄)

• Potassium sulfate (K₂SO₄)

• Ammonium sulfate ((NH₄)₂SO₄)

What is the method of preparation for an insoluble salt like barium sulfate (BaSO₄)?

• Titration method

• Precipitation method

• Excess solid method

• Evaporation method