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Mariulka [41]
3 years ago
9

How does salt help melt the road?​

Chemistry
2 answers:
QveST [7]3 years ago
8 0

Lower the melting point

Explanation:

Salts helps to melt road by lowering the melting point. It acts as an impurity and generally, impurities low the melting point of substances.

Salts are used as an antifreeze.

  • Water freezes at 0°C and forms ice/snow which can impede human and vehicular movement.
  • When salt is added, it causes the depression of the freezing point by lowering it further.
  • The freezing point is pegged back at -6°C.
  • This way it takes more low temperature to freeze the water.
  • The salt acts as an impurity and causes the depression of melting point and widening of the melting range.

learn more:

Matter brainly.com/question/10972073

#learnwithBrainly

MA_775_DIABLO [31]3 years ago
7 0

Answer:

Salt is added to icy roads in the winter because it lowers the freezing point of water, which also makes the salt melt the ice.

Explanation:

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