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  3. Chemistry
  4. The use of anhydrous common salts, e . g ., NaCl or CaCl 2 is to clear snow on the roads. This causes

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Q. The use of anhydrous common salts, $e . g ., NaCl$ or $CaCl _{2}$ is to clear snow on the roads. This causes

Solutions

Solution:

Addition of salt lowers the freezing point of water and thus, snow melts.