Question

Sodium chloride is used to clear snow from roads why

Answer 1

Sodium chloride or salt is used to clear snow on roads and is also used in ice creams i.e. to keep it solid. In both the cases, the salt works by lowering the melting or freezing point of water. Salt melts ice by lowering the freezing point of the water around the ice.

Answer 2

because the salt works by lowering the melting or freezing point if water. Salt melt ice by lowering freezing point of the water around the ice