Select all options that are true statements about the following equation: 3HgCI2+AI 2AICI3+Hg

(select all that apply)
A. This equation is improperly balanced according to the law of conservation of mass.
B. This equation is properly balanced according to the law of conservation of mass.
C. This reaction represents a double replacement reaction.
D. This reaction represents a single replacement reaction.

A. This equation is improperly balanced according to the law of conservation of mass.

C. This reaction represents a double replacement reaction.