Question

1. Calcium chloride is a salt that is added to roads and sidewalks

in the winter to melt ice and snow. Which following properties of calcium chloride is
both a physical property and quantitative? (1)
(a) Calcium chloride has a melting point of 782°C.
(b) When heated to decomposition, calcium chloride produces chlorine gas.
(c) Calcium chloride is soluble in water.
(d) In the presence of sulfuric acid, calcium chloride reacts to form hydrogen chloride.
(e) Calcium chloride is a white crystalline solid at room temperature.

Answer 1

(d) In the presence of sulfuric acid, calcium chloride reacts to form hydrogen chloride.

Step-by-step explanation:

It's because it lowers the melting point of the ice / etc so I think it is, but check it yourself too!