With the of balance chemical equation what happens when zinc is put in dilute hydrochloric acid

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?