Exercise - SALTS
i. Which of the following salts is soluble in water?
- a. Silver chloride (AgCl)
- b. Lead carbonate (PbCO3)
- c. Sodium nitrate (NaNO3)
- d. Lead chloride (PbCl2)
ii. What type of ions do bases provide for salt formation?
- a. Negative ions
- b. Positive ions
- c. Neutral molecules
- d. Complex ions
iii. What is the primary reason salts have high melting points?
- a. Weak van der Waals forces
- b. Strong electrostatic forces
- c. Hydrogen bonding
- d. Covalent bonding
iv. In what state are salts generally good conductors of electricity?
- a. Solid
- b. Gas
- c. Molten
- d. Powdered
v. Which of the following is a general solubility rule for chlorides?
- a. All chlorides are insoluble.
- b. All chlorides are soluble.
- c. Chlorides are soluble except lead and silver chlorides.
- d. Chlorides are soluble except sodium and potassium chlorides.
vi. What happens to the ions in a salt when it is dissolved in water?
- a. They form a gas.
- b. They become fixed in place.
- c. They become mobile.
- d. They form a solid.
vii. Which of the following methods is used to prepare a salt by titration?
- a. Acid + Metal
- b. Acid + Insoluble Base
- c. Acid + Insoluble Carbonate
- d. Acid + Alkali
viii. Which of these salts is insoluble in water?
- a. Potassium carbonate
- b. Ammonium nitrate
( N H 4 N O 3 ) ( N H 4 N O 3 ) \left(\mathrm{NH}_{4}\mathrm{NO}_{3}\right) - c. Calcium Chloride
( C a C l 2 ) ( C a C l 2 ) \left(\mathrm{CaCl}_{2}\right) - d. Lead chloride
( P b C l 2 ) ( P b C l 2 ) \left(\mathrm{PbCl}_{2}\right)