Answered

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5. Which type of salt is commonly used to melt ice on roads and sidewalks?
a) Sodium chloride
b) Calcium carbonate
c) Potassium nitrate
d) Iron oxide

Sagot :

GinnyAnswer

Final answer:

Sodium chloride is commonly used to melt ice on roads and sidewalks, while calcium chloride is another effective option often mixed with sodium chloride for better results.


Explanation:

Sodium chloride (NaCl) is the type of salt commonly used to melt ice on roads and sidewalks. It works by lowering the freezing point of water, making it harder for ice to form.

Another salt, calcium chloride (CaCl2), is also used for the same purpose. It is often mixed with sodium chloride for more effective ice melting due to its larger depression of the freezing point.

Group 2 metal salts like calcium chloride are advantageous for de-icing due to their lower freezing points and ability to dissociate into more particles per formula unit compared to sodium chloride.


Learn more about De-icing salts here:

https://brainly.com/question/34676746


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