Answer:
Option (D) freezing point depression
Explanation:
Calcium chloride is added to the roadways after a snowstorm because it reduces the freezing point of the ice. Further more, it has been observed that the calcium chloride also produces enough heat which enhances the melting of the ice as it produces an exothermic reaction.
C) and d) are physical changes while b) is chemical
Answer:
Brass is a homogenous mixture of copper and zinc
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Explanation:
