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Why salt is used to spread …

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Why salt is used to spread in ice in hilly area

    • Posted by Jai Kishan Choudhary 6 years, 6 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Yogita Ingle 6 years, 6 months ago

    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.
    2. Salt melts ice by lowering the freezing point of the water around the ice. The ice melts because we are introducing dissolved foreign particles into the water. The freezing point of water becomes lower and this is called freezing point depression. The ice is unable to re-freeze except at a much lower temperature.

    0Thank You

    Keshav Saxena 6 years, 6 months ago

    Bcoz it melts the ice

    0Thank You

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