In cold countries, ice frozen on roads and footpaths is melted by spra – InterviewSolution

1.	In cold countries, ice frozen on roads and footpaths is melted by spraying salts. Explain.
Answer» Solution :Addition of water SOLUBLE salts like `NaCl` or `CaCl_(2)` depresses the FREEZING POINT of water hence ice melts into water. THEREFORE frozen ice can be melted and removed.

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