7th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acids, Bases and Salts

  • question_answer
    Many salts absorb water (moisture) from the atmosphere. This property is called

    A) hydration      

    B) dehydration

    C) crystallization              

    D) decantation

    Correct Answer: A

    Solution :

    The salts containing water molecules are called hydrated salts e.g. \[\text{HCuS}{{\text{O}}_{\text{4}}}\text{.5}{{\text{H}}_{\text{2}}}\text{O}\]           


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