the faster an ice melter can dissolve and form a brine solution, the faster it will melt ice. On contact with ice, calcium chloride forms brine rapidly, which lowers the freezing point of water and melts snow and ice quickly. Calcium chloride forms brine faster than other ice melters because its hygroscopic properties actually cause it to attract moisture from its surroundings.
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
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.
1- it depress the freezing point of ice .
2- when calcium chloride is added , there is a lowering of freezing point of the salt water to -29 degree celsius.
3- hence , it doesnot melt the ice , but lower its freezing point only ..
DUE TO THE ABOVE REASON ITS USED FOR CLEARING SNOW IN HILL STATIONS .
HOPE IT CLEARS YOUR DOUBT
ALL THE BEST ..
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