1. Crystals of ammonium chloride, NH4Cl, seem to disappear when mixed with water. The resulting clear liquid containing ammonium chloride and water is a
A) compound.
B) new substance.
C) homogeneous mixture.
D) heterogeneous mixture.

2. Which term is synonymous with solution?
A) solvent
B) aqueous
C) homogeneous mixture
D) heterogeneous mixture